Ned, Chuck, and Emerson go to Olive's nunnery to solve a murder. However, Olive is nervous that she will reveal to Chuck the secret identity of her real mother.
Emerson's mom comes to town just in time to help the team investigate the murder of an employee at a professional friendship service business. Chuck and Olive move in together after Olive comes back, but how long will it last?
While the gang investigates a murder at the Dim Sum restaurant below Emerson's office, a woman from Emerson's past reenters his life. Meanwhile, Olive and Chuck discover that Ned has twin half-brothers.
The team investigates the disappearance of the magician who took Ned's two half-brothers under his wing. Dwight Dixon comes to Lily and Vivian searching for a pocketwatch, and Chuck tries to get Lily to confess that she's her mother.
Chuck doesn't tell Ned that she kept her father alive after Ned brought him back, and Dwight Dixon dies because of it. Meanwhile, Ned and Olive are left to solve the murder of one of the contestants at a bake-off.
Emerson and Olive investigate the murder of an infamous lighthouse keeper's wife, while Chuck's father schemes to keep Ned and Chuck separated forever.
Ned refuses to help Chuck and Emerson solve the murder of a department store window display artist, and is forced to pose as Olive's fiancé when Olive's childhood "kidnappers" arrive after they escape from prison.
One-half of Vivian and Lily's old rival synchronized swimming team is eaten by a shark during a show, which provides Vivian and Lily with an opportunity to revive their career.
