Holmes and Watson enter the world of nuclear security when they investigate the murder of an ex-Yakuza gang member. Also, Captain Gregson is blindsided by a stunning personal confession from his daughter, Hannah (Liza J. Bennett), a police sergeant.
Zoe is determined to win BlueBell's gumbo contest and prove to everyone that she is a part of the community...and hopefully land some patients. Lavon develops a crush on Brick and Zoe's new receptionist, Didi, but things get a little messy after Lemon catches wind of the news. Zoe and Brick find themselves having to work together to perform a life-saving surgery.
Zoe is in the center of a town scandal when she discovers something shocking about the local minister and his wife. Lemon must convince Lavon to choose her funding proposal.
Zoe thinks she's seen a ghost. Plus, her mother comes to town in hopes of reconciling with Zoe, and Lavon won't authorize Lemon and George's dream home purchase.
Hoping it might help the residents of BlueBell accept her, Zoe Hart agrees to join Mayor Lavon Hayes on his float during the Founder's Day parade, but accidentally crashing the float doesn't help Zoe win over Lemon and the other residents.