We are transported to a speakeasy in full-swing at Veda's bar until a dead body is discovered. Arch and Fitz's murder investigation takes them down a Prohibition path of bootlegging and smuggling.

When a man dies on the eve of his high school reunion, Fitz and Arch seek help from one of his graduating classmates, Renuf. The trio investigate his friends and discover a tragedy buried in the past.

When a Newfoundland teenager with a rare blood disorder disappears during a field trip to Saint-Pierre, Arch and Fitz race to determine if it's a parental abduction or something far more nefarious.

A corpse in Fitz's motel room leads him and Arch to a sophisticated international car theft ring with ties to Fitz's landlady Marguerite, and forces them to work with SPMP's latest asset: Gallagher.

Our coroner Natasha is at the heart of the inquiry into her brother's recent murder. Arch and Fitz question how the man, who was reported dead over a year ago, re-appeared and who is his killer?

A world-famous violinist and convicted predator dies while performing at his father's funeral, propelling Fitz and Arch into a search for his killer among mourners and those protesting his presence.

When a diver mysteriously drowns, Arch and Fitz are drawn into a world of shipwrecks and plundering, leading them to wonder if the infamous waterway Mouth of Hell has claimed yet another victim.

A hit and run victim causes Fitz to confront his undercover past, and when his ex-partner unexpectedly appears, she joins him and Arch in a race against time to stop a money heist.

When a man is found brutally murdered, Arch and Fitz suspect it is the work of "The Abstract Killer", a serial killer who plagued Saint-Pierre long ago and was believed to be dead.