As the agents of Graceland strive to close out their ongoing cases and mend broken relationships, Briggs finds himself coerced into a high-risk undercover operation within the Armenian Mafia.

Briggs tries to keep control of Ari Adamian while Charlie struggles with the decision to terminate her pregnancy.

The death of an agent leaves the housemates reeling; Briggs and Johnny work to rescue Lucia, who's being held by Carlito Solano; and Mike's visions lead him to a small-time crook with a dangerous secret.

As Charlie and Jakes close in on Germaine, Mike's drug addiction reaches a breaking point when he and Gusti are caught in a dangerous situation.

While Mike questions Briggs' true motivations in the Sarkissian Case, Charlie devises a new angle to catch Germaine.