Mike makes his return to Graceland, after escaping the cartel who tried to kill him, but he soon realizes how much things have changed since he left.
Briggs looks into his past to help Mike solve a case involving a cartel.
Jake is on the lookout for bus full of smuggled contraband. Tuturro finds he's in over his head after he sells an antique gun to the son of the leader of a cartel.
Briggs and Charlie attempt to make up for past transgressions. Tuturro thinks about how far he is willing to go for a case following a night on the town with Carlito.
Mike rushes everyone's undercovers after Jessica pays a visit while Jake's personal life continues to cause issues.
Mike and Briggs are determined to find Paige as she works undercover with a sex trafficking ring.
Mike has to face his enemy and is determined to take him down no matter what even if it means his agents operate outside the boundaries of the law.
Charlie attempts to bond with a bank robber. Johnny finds it hard to contain his feelings for the daughter of a cartel leader.
Johnny meets the head of one of the most dangerous cartels in Mexico. Mike finds himself involved in a sex trafficking ring.
Briggs and Paige hope to ends Mike's operation using Briggs cover.
Briggs looks for a person who could know of his past crimes whilst the team attempts to stop an adversary of Mike's.