Clay's idea to raise money for Bobby's defense carries a significant amount of risk; Abel's homecoming could be overshadowed by more trouble for SAMCRO.

When one SOA member is arrested for murder and another goes missing, Jax must choose between friendship and the club. Meanwhile, Abel grows stronger and is soon to be released from the NICU, but he’s not the only one coming home.

With ATF agent Stahl pressing the women of Samcro, Jax sees Chief Unser as the key to the club’s salvation. Tara still reels from the Kohn situation. And Cherry reveals some interesting information about her past to Gemma.

SAMCRO plans to retaliate against a rival biker club while dealing with a wounded Cameron Hayes in the clubhouse. Meanwhile, Jax, Bobby and Opie set out to put an end to the gun debt for good.

SAMCRO must scramble to come up with cash to meet an IRA gun payment; the Mayans and Nords take a drastic step to bolster their alliance; and Jax finds himself in a dangerous position with Tara.

When old bones are discovered on the outskirts of Charming, secrets that Clay buried are exhumed as well. Meanwhile, SAMCRO sets its sights on prize money, backing Half-Sack in a bare-knuckle brawl, and Kohn's investigation turns personal when his true intentions are revealed.

Piney's old war buddy stops by and has a small favor that needs to be done and with Clay on a different project it is up to Jax to handle it all. Meanwhile, a familiar face from Gemma's past comes to visit.

Gemma hosts a town fundraiser, which brings the ex club member who was responsible for Opie's arrest back to town… and into direct conflict with Jax and Opie. Clay deals with protecting a perverse parolee who can lead to a big payoff. ATF agent Kohn continues to investigate SOA.

The club head to Nevada to help out a brother club, the Devil's Tribe, after they recieve threats from the Mayans. Meanwhile, Tara's ex-boyfriend begins investigating Samcro.

When the young daughter of a prominent Charming family is assaulted during a visiting carnival, Samcro races the authorities to capture the assailant. Meanwhile a new shipment of guns arrives from their IRA connection with an additional price. Tara's ex-boyfriend arrives in Charming.

As the club deals with the aftermath of their illegal arms warehouse attack, the Deputy Chief of Police poses a new threat to Samcro's reign.

The Mayans, a Mexican weapons cartel, break into an assembly warehouse and find and steal the hundreds of guns inside. Unknown to them, two people are hiding beneath the building. The leader of the cartel tells one of his goons to torch the place. Jax enters a convenience store where he ...