Pilot FBI rookie Mike Warren is assigned to Graceland, a beachfront mansion where agents from multiple law-enforcement groups work and live. Mike learns the ropes with help from star agent Paul Briggs, who has a unique philosophy on the job and is fiercely protective of Graceland.
Guadalajara Dog Briggs and Mike pit rival gangs against one another, while Mike adjusts to moral dilemmas that arise during his undercover work.
Heat Run Briggs uses the house's resources to help Lauren with her case against the Russian Mafia; Charlie lands in a bind when she receives unreliable information about a drug deal.
Pizza Box A Nigerian drug lord recruits Mike to instruct his gang on shooting; Paige ropes Jakes and Tuturro into her operation targeting a female pot farmer.
O-Mouth Mike becomes more entrenched in Bello's outfit; Briggs and Charlie pose as an amorous couple while investigating a mysterious drug supplier.
Hair Of The Dog Mike helps Bello plot a theft from a powerful drug cartel and recruits Johnny for his unique underwater skills. Elsewhere, Briggs helps Charlie cover up mistakes stemming from a bust that went wrong.
Goodbye High Charlie comes clean about the bust that went wrong. Briggs follows suit, but Mike soon learns that Briggs has a darker secret to hide.
Bag Man Briggs and Bello's new bond is tested when the Caza cartel offers a dangerous ultimatum, leading Mike to push past his comfort zone for the sake of the case.
Smoke Alarm A war ignites between Bello and the Caza cartel; Charlie picks up an unexpected ally while on the hunt for Odin; and Briggs confronts his past.
King's Castle Charlie uncovers a secret about Briggs and joins forces with a Federale to get to the bottom of it. Elsewhere, Mike learns that Briggs is a suspect in Juan's disappearance.
Happy Endings Mike and Briggs probe Juan's disappearance, leading Briggs to make a big decision about his future.
Pawn A member of Graceland is taken hostage by a brutal Caza enforcer named Jangles.