The first 11 contestants arrive and choose their sleeping arrangements. They sit down to get to know each other. There are three hidden guests sequestered upstairs who have some kind of connection or score to settle with three of the contestants downstairs.
The enemies deal with the realization that they have to share the house together. Kail takes everyone on a tour of the HoH room. Mike, Zach, Nick and Kail create an alliance. The Food Competition involves teams pumping butter over each other's bodies and then wiping it off in a vat of popcorn. Joe and Dustin try to clear the air and work out their issues. Amber and Carol are nominated for eviction.
The players search for the hidden Power of Veto box. Kail, Jameka, Nick and Daniele find the vetoes. Eric must reveal his soft side to Kail. Amber and Carol make their cases at the PoV ceremony, but Daniele withholds using the Veto.
The contestants talk about who to vote out. Julie interviews the contestants. Eric attends a party his hometown friends are throwing for him. Carol is voted out in a 10-1 vote, and Jen becomes the new HoH.
The contestants don't try to win over Head of Household Jen. Eric tries to get Jessica nominated for his new task as America's Player. Jen decides to nominate Dick and Daniele for eviction.
Eric is given a new task By America: sleepwalk and climb into bed with Joe. Dustin hosts the "Winter Wonderland" PoV competition. Daniele wins the competition and gets herself off the block, so Jen replaces her with Joe.
The houseguests discuss who they are planning to vote out in the Diary Room. Joe is evicted in a 9-1 vote. The contestants have to answer geography and math questions in the competition for Head of Household. Dick answers the most correctly and wins Head of Household.
Jen and Eric participate in a wrestling match and Jen wins. The housemates participate in another Food Competition this, time sliding down into massive vats of pasta and meatballs. Eric's new task is to get Jen nominated. Dick nominates Jen and Kail for eviction.
On a dare, Zach streaks in the pool. Kail worries about being on the block. Eric puts mustard in Jen's room. Jen wins the Power of Veto competition and uses it to save herself. Dick replaces her with Mike on the eviction block.
As America's Player, Eric works to get Kail evicted. Host Julie Chen talks to Dick about his relationship with Daniele. Mike is evicted by a vote of 7-2. The remaining houseguests answer questions about the evictees to determine the new Head of Household. Dustin answers the most correctly and becomes Head of Household.
Nick tries to figure out who cast the second vote for Kail. Dick wants to know why Jen voted for Kail to stay. Dick sets up booby traps for the guests. Eric must try to get Jen evicted, and Dustin puts Jen and Kail back on the block.
Dustin reveals that his real target is Nick or Zach, not Kail and Jen whom he put on the block. Jameka wins the PoV competition and uses it to remove Jen from the chopping block. Eric's task as America's player is to get three housemates to say "I'd do that for a dollar." Dustin puts Nick on the block to replace Jen.
Nick is surprised and upset that he was nominated and feels betrayed by Daniele. Dick is still upset about the PoV competition. Nick tries to sway supporters while Eric receives his new America's Task - to get Kail voted out. Nick is voted out by a vote of 6-2. In the Head of Household contest, each player must hang from a swinging pendulum; whoever is the last one hanging wins Head of Household.
Daniele hangs on the longest and wins the HoH competition, which she uses to nominate Jen and Kail for eviction. Meanwhile, fans send an airplane banner for Eric, making the other players suspicious of him.
Daniele thinks Eric is behind the strange occurences in the house, so when Jen wins the PoV competition and saves herself, Daniele nominates Eric for eviction alongside Kail.
Kail and Eric both try to rally votes. We get a look at Kail's life back in Oregon. Kail is evicted by a close vote of 4-3. The new Head of Household competition involves the players buzzing in to answer questions; a correct answer allows the player to eliminate someone from the game. Jessica lasts the longest and wins Head of Household.
Jessica, Jameka and Amber gather to celebrate Jessica's HoH victory. The contestants are divided into two teams to compete in the Food Competition, with the losing team eating nothing but slop for the week. Eric's task as America's Player is to get Dustin nominated. Jessica nominates Dick and Daniele for eviction.
Jen keeps dropping in on Jessica to try and win favor with the HoH. Jessica is insistent that all players work against Dick and Daniele to prevent them from winning the Power of Veto competition, but despite her efforts, Dick wins. Daniele admits that she doesn't want her dad evicted. As America's Player, Eric must give Jessica the silent treatment. Dick uses his PoV to save Daniele, and Jessica puts Dustin on the block with Dick.
A person dressed as a Mad Hatter sneaks into the house and wanders around while the contestants try to figure out what's going on. Then more strange visitors arrive.
With Dustin gone, his allies Amber and Jameka are nominated for eviction. Jameka is upset about Eric's vote being the one that sent Dustin home. Eric explains his vote to Amber and tries to reassure her. Eric starts working on his next task as America's Player - getting Amber evicted. The Food Competition involves a game of "Slop Pong," with the losing team earning nothing but slop to eat for the next week.
Eric's task as America's Player is to give his childhood "Woobie" to Jessica, which he does with ease. Daniele consults with Dick on her plan to make a deal with Amber, and he encourages her. Daniele wins the Power of Veto again and uses it to save Amber; she also wins them both a trip to visit the set of the game show POWER OF 10 in New York City. Daniele nominates Jen to replace Amber.
Jen is upset with everyone for the fact that she is on the block. She gives up on her slop diet and starts eating real food. Jameka warns her not to give everything up, but she ignores her.
Dick leads the housemates in celebrating Jen's departure. Jen tells Amber not to forget to give Jessica her message. Jessica can't handle the suspense and asks Amber, who reveals that Jen knows Eric has a girlfriend on the outside. Eric goes and explains himself to Jessica. The houseguests plays a luxury shopping game, men against women. Jessica nominates Amber and Zach for eviction.
Amber prays that she'll make it through the week. Daniele and Dick continue to fight with each other. Jameka tries to keep on Jessica's good side. Jessica and Eric share their first kiss. The houseguests watch Daniele and Amber on POWER OF 10. Eric wins the Power of Veto competition but decides not to use it, leaving Amber and Zach as the eviction nominees.
After Amber pleads her case to Jessica and Eric, Jessica admits she'd like to keep Amber. Zach makes a deal with Dick. Amber tries to convince Jessica and Jameka that Eric is manipulative and that they should keep her in.
In an attempt to win the HoH competition, the contestants give up hot water for eight days. Zach wins the competition. Zach's housemates aren't very excited about celebrating his HoH win with him.
Eric tells Jameka he feels guilty about Jessica being nominated. Daniele is offended by a joke her father Dick makes and calls him out on it. BIG BROTHER All-Star Janelle makes an appearance for the Power of Veto competition. Daniele wins the PoV contest. Eric gets his next America's Player task - he has to mimic Dick. Daniele isn't telling anyone who she's going to use the Power of Veto on, if anybody.
The houseguests are shocked to learn that today is a double eviction day. The members vote Jessica out by a count of 2-1. Jessica watches the goodbye videos from the housemates with an "I Love You" from Eric. Dick wins the Head of Household competition and puts Eric and Jameka on the block. Zach wins the Power of Veto and chooses not to use it. Zach and Daniele both vote Eric off, and he ends up winning $40,000 from his America's Player tasks.
The Head of Household competition involves answering questions about pictures of evictees. Zach answers the most correctly and becomes the new Head of Household. He nominates Daniele and Dick for eviction, who are surprised and upset by the announcement.
Zach and Jameka prepare for the Power of Veto competition, knowing they have a great shot at the final two if they win. However, Daniele wins the competition and uses her Veto to take her father off the block, leaving Zach no choice but to nominate Jameka. Dick then votes to evict Jameka. The remaining three houseguests prepare for the final Head of Household competition, which will consist of three rounds.
The final Head of Household competition consists of three parts. Zach wins Round 1, Dick Round 2, and they face off in the final part. Dick wins the final challenge and evicts Zach, taking his daughter Daniele with him to the final vote.
Dick and Daniele celebrate making it to the final two. They have a champagne dinner and think back about the summer, resulting in flashbacks of the entire season. They also discuss how the jury will vote.
The jury discusses how to vote; when Zach appears in the sequestered house, they are very upset that Dick and Daniele are the final two. Eric receives his last America's Task - vote for Dick and get the others to vote for him as well. The jurors get to ask Daniele and Dick some final questions. Julie reveals that Eric has been playing for America. Dick wins the competition and $500,000 by a vote of 5-2.