In this series finale, one half of the rivals of the Darling Mermaid Darlings is murdered.
Emerson's old flame offers a bit of quid pro quo in return for proving her innocence in the murder of the owner of the Papen County Dam, who despised Emerson. Meanwhile, Olive takes a liking to Randy Mann, the taxidermist and former client of My Best Friend, Inc.
The team take on the case of a famed window dresser Erin Embry, who may or may not have been done in by her partner. However, Ned insists he's s unable to help when he refuses to use his restoring ability. Meanwhile, Lily and Vivian receive visitors.
Ned, Chuck, and Emerson finally meet their match when three rival Norwegian detectives start to get in their way.
The Papen County Lighthouse keeper, Nora McQuoddy, is discovered dead, and her son hires Emerson to find the killer. Meanwhile, Charles Charles pays a visit.
Ned brings back to life Colonel Likkin, who was mysteriously deep fried to death. His world-famous original recipe has gone missing and Likkin asks Ned to find who stole it.
A lawyer for the late Gustav Hoffer suspects his client's death was not part of a robbery gone wrong as was reported, but rather murder. He hires Emerson Cod and Ned to find out who killed Hoffer.
Famed magician The Great Herrmann hires Emerson Cod to come to the Conjurer's Castle to track down the killer of his animal assistants. Meanwhile, Ned makes a discovery of his own at the Castle.
The wife of a murdered chef, Bao Di, hires Emerson to investigate the death of her husband. So Ned, Emerson, Chuck, and Olive all go undercover at the Chinese restaurant where the murder took place. Meanwhile, Ned encounters a mysterious man who claims to have ties to his past, and Emerson is reunited with polygamist widow Simone Hundin.
A sexy new client hires Emerson to solve the murder of her best friend Joe. Emerson and the gang discover that Joe had a lot of best friends... and they all had a reason to kill Joe.
Olive calls on the Pie Maker and Emerson to solve a suspicious suicide of a fellow nun that she believes is murder. Meanwhile, Chuck tries to fill in her family tree and considers what to do in the present with her new lease on life.
Georgeann Heaps hires Emerson to find her missing daughter, and the trail leads to a circus. Meanwhile, Ned and Chuck try to deal with the change in their relationship, and Olive considers staying longer at the nunnery.
Emerson is hired by Dusty Fitz, whose wife Kentucky died in a tragic bee-related incident. She was involved with another man who Dusty claims she was preparing to leave, and Dusty suspects murder. Meanwhile, Lily helps Olive move to a nunnery.
