When a fire breaks out at Rockland University, Jim saves a young psychology professor, Eli, who suffers a near death experience and Melinda befriends him when she realizes that he can now hear dead people. She helps him to acknowledge his new gift and use it to help the woman who died in the fire. Meanwhile, Melinda says good-bye to Professor Payne as he departs for his sabbatical.
Melinda reconnects with some high school classmates after one of them dies mysteriously. She learns the truth of his accidental death and then uncovers a secret about his past. Meanwhile, Melinda and Jim start remodeling the garage to turn it into a guest house.
When Ned shows Melinda his online gaming community, Melinda discovers a ghost is haunting the game in an attempt to protect his daughter from a predator.
Melinda and Jim go away on a romantic cruise and Melinda comes into contact with an angry ghost who haunts a newlywed couple. She uncovers the truth about the woman's accidental death and saves the ship in the process.
Melinda investigates the death of a high school athlete whose ghost is following around a family that is not her own.
Melinda plays a game of hide-and-seek when a child's make-believe friend causes havoc during a wedding party ending with Jim getting killed.
While coping with Jim's death, Melinda struggles to help a desperate teenage ghost because her grief is weakening her power to see the ghosts.
Melinda is drawn to a man who is suffering from amnesia and she enthusiastically tries to help him regain his memory.