Sullied Vietnam vet Mac Conway is tempted by criminal elements after returning home to Memphis in 1972.

Mac looks to pay down a debt; Joni is queried by detectives following the death of a co-worker.

Concerned about Joni's safety after receiving a menacing call from Suggs, Mac turns to The Broker and his associate, Karl, for help. Meanwhile, Buddy convalesces from a nasty leg wound at his mother's home; and Moses gets a new assignment from The Broker.

With Suggs at large, Mac and Joni seek temporary refuge in a remote motel run by an affable owner, Harlow. When Mac tries to help him with his defective swimming pool pump, Mac learns that Harlow has a lot more troubles than a broken pool.

At Joni's urging, Mac reluctantly turns to his father Lloyd for help. The Broker resurfaces to take Mac on an unsettling road trip. An unspeakable act of racial violence rocks Memphis, hitting close to home for Ruth and her son, Marcus.

Mac gets a high-profile assignment from The Broker. Buddy's erratic behavior worries his mother Naomi. Joni contemplates a financial opportunity that could free Mac from the Broker's yolk. A curfew is ordered in Memphis in the wake of racial unrest.

Pressured by Joni to sell their home, Mac instead accepts a contract from The Broker to take out a big-time Memphis heroin dealer. Buddy pitches a new position for himself. Reeling from setbacks, Olsen decides to take matters into his own hands.

[Cinemax] HD. 'nuoc chay da mon.' Season One Finale. Mac confronts his war demons and settles a score with an old adversary.