Jangles takes a Graceland member hostage. The housemates unite to save one of their own.

The Briggs-Bello alliance is tested due to an ultimatum. Mike must push his limits for the good of the case.

Briggs and Mike search for the truth about Juan's disappearance. Briggs makes a decision about his future.

Charlie learns a secret about Briggs and works with a Federale. Mike finds out that Juan is missing.

Mike convinces Bello to steal from a drug cartel. Briggs helps Charlie cover up bad decisions.

Bello's last strike initiates a war that Graceland must stop. Charlie meets an unusual ally. Briggs faces the past.

The power dynamics are disrupted when Graceland has a surprise visitor. Mike is put in a precarious position. Tuturro risks his cover with Carlito.

Charlie decides to tell the house about her bust. Briggs must come clean. Mike believes his investigation is ending.

Briggs helps Lauren with her case against the Russian Mafia. Charlie's C.I. proves unreliable during a drug deal.

The Solano case is in shambles. Paige is deep undercover within a sex trafficking ring. Mike and Briggs need to take extreme measures.

Mike gets deeper into Bello's organization. Briggs and Charlie resume former identities.

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

While Mike's visions and addiction to pain medications start affecting his ability to function in the field, Briggs coaxes a former FBI agent out of retirement to help take down Ari.

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.

Ari rises through the ranks of the Armenian mob; Briggs dodges new suspicions from his housemates; and Charlie and Jakes are one step closer to taking down Germaine.

Mike develops a plan to learn about the contents of Gusti's trunk; and Briggs helps Paige go undercover with the Armenian Mafia's shipping company.

Plans take a turn for the worse when Charlie attempts to pull Amber from Florida; and in an effort to aid Briggs, Paige sets up a bust to pull the plug on the Sarkissian organization. However, things are not always as they seem.

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.

The feud between the Sarkissians and a local gang heats up; Briggs' motives are revealed; and Mike hunts for the sarin gas.

The agents struggle in the aftermath of the gang war while Briggs tracks down a loose end in order to bring Ari Adamian to justice.

Charlie tries to bond with a bank robber. Johnny must check his feelings for a cartel leader's daughter. Briggs' life creates complications.