Cara is concerned about an unhealthy competition between hertwo New Orleans restaurants, Toast and Tartine. Mystery DinersShelby and Nicole go undercover and discover that a problememployee, previously busted by Charles, is on the owner'sstaff.
Kristy and Sarah, owners of Moviesets in New Orleans, areconcerned about theft at their prop house-turned-event center.Charles sends in Mystery Diners Rob and Ingrid to book awedding reception and they discover more than one event istaking place.
As Liv and Detective Babineaux investigate a hit and run case,they discover the victim was a sociopathic hit man responsiblefor the murder of a tech entrepreneur, a case that Peyton isprosecuting. Liv and Ravi dig deeper into a supposed zombiesighting that was posted on line which leads Liv to make asurprising discovery about someone from her past. Major moveson with his life and Peyton is shocked by Liv's reaction.
Banks and the team begin the painful job of finding out exactlywho was responsible for the incident that has affected alltheir lives. Following dogged police work, they locate andclose in on a suspect, only to be thwarted when it's proventhere's no way they are to blame. While Chief SuperintendentAnderson puts pressure on Helen to reign in Banks and close thecase, Banks becomes increasingly certain that this is all downto one man – crime boss Steve Richards. Banks' obsession withnailing Richards sends him over the edge, resulting inAnderson exiling him from the station and making Helen actingDCI in his stead.
Four bickering Irish sisters talk themselves in circles astheir San Francisco bar takes a nosedive. Can Jon Taffer turntheir luck around before they miss the boat on their Americandream?