In the second-season premiere, Chuck goes undercover to investigate the death of a spokesmodel (Autumn Reeser) for a honey-based cosmetics company. Meanwhile, Lily takes Olive to a nunnery to keep her from telling secrets.
A hunt by Ned, Chuck and Emerson for a missing teen (Hayley McFarland) leads to a circus with a curiously high mortality rate. Meanwhile, a guilty Lily visits Olive at the nunnery.
Chuck, Emerson and Ned impersonate Vatican investigators when Olive suspects foul play at the convent in the death of a friend that was ruled a suicide.
A popular escort at a friend-for-hire outfit is killed, and the team suspects the murderer may have been his socially awkward roommate (David Arquette). Meanwhile, Emerson gets a surprise visit from his mother (Debra Mooney), who's also a private investigator.
Ned is shocked when a man (Stephen Root) shows up at the Pie Hole inquiring about Ned's father. Meanwhile, Emerson investigates a murder at a Chinese restaurant and has a reunion with Simone (Christine Adams).
A magician (Fred Willard) who has been a surrogate father to Ned's half brothers needs the pie maker's help with his act when his animal assistants are mysteriously dying. Meanwhile, Lily is wary of Dwight's intentions.
When a millionaire is murdered, the prime suspects include a modern-day Robin Hood (Danny Comden) and the deceased's scheming, much younger widow (Jennifer Elise Cox). Meanwhile, Lily is repulsed by Dwight's courtship of an oblivious Vivian.
Ned and Olive's comfort-food competition turns unappetizing when a chef is found dead, and Chuck needs Emerson's help coping with the consequences of her actions.
Olive and Emerson's investigation of the peculiar murder of a lighthouse keeper (Mary Kay Place) may uncover some of the region's murkier secrets. Meanwhile, Ned and Chuck have an unsettling encounter with someone from their past.
Dwight Dixon's disappearance sends Vivian to Emerson's rival (Orlando Jones) and his team of expatriate Norwegian detectives, whose sleuthing abilities are so thorough they may uncover Ned and Chuck's secrets.
When Ned puts a moratorium on using his crime-solving abilities, Emerson turns to Chuck for help in his investigation of a window dresser's murder. Meanwhile, Olive has an unexpected reunion with her childhood kidnappers (Richard Benjamin, George Segal) after they escape from prison.
The investigation of a rich man's murder yields clues to the whereabouts of Emerson's long-lost daughter, whose mother is a prime suspect in the case. Meanwhile, Randy Mann (David Arquette) pursues his crush on Olive.
In the series finale, Ned, Chuck and Emerson go undercover to solve the murder of a member of a synchronized-swimming duo (Nora Dunn, Wendie Malick). The tragedy, however, gives Vivian and Lily an opportunity to reunite as the Darling Mermaid Darlings.