When a rival club cleans out and destroys their illegal arms warehouse, Samcro executes its own sense of justice in retrieving the guns. Family issues take center stage with a medical emergency involving Jax Teller's newborn son.
As the club deals with the aftermath of its illegal arms warehouse attack, the deputy chief of police poses a new threat to Samcro's reign over Charming. Jax continues to worry about his newborn son's fate. Opie faces a difficult decision.
When a prominent Charming family's young daughter is assaulted at a carnival, Samcro races against the authorities to capture the assailant. A new shipment of guns arrives from the group's IRA connection. Tara's ex-boyfriend arrives in Charming.
The club travels to Nevada to store arms with a brother club. When the Mayans pose a threat, Clay decides to patch-over the tribe, making them an official charter. Tara's ex, an ATF agent, investigates Samcro.
Gemma hosts a town fundraiser, bringing the former club member responsible for Opie's arrest back to town. Clay deals with protecting a perverse parolee who can lead to a big payoff.
A small favor for Piney's old war buddy turns into a big problem for SAMCRO. Gemma deals with the effects of aging.
When old bones are discovered on the outskirts of Charming, Clay must deal with long-buried secrets. The club sets its sights on prize money in a bare-knuckle brawl. Kohn's investigation becomes personal when his true intentions are revealed.
With the IRA gun payment looming, SAMCRO scrambles to come up with the cash. The Mayans and Nords take a drastic step toward strengthening their alliance. Jax finds himself in a dangerous position with Tara.
SAMCRO plans retaliation on a rival biker club while dealing with wounded Cameron Hayes in the clubhouse. Jax, Bobby and Opie try end the gun debt for good.
With Stahl pressing the women of SAMCRO, Jax sees Unser as the key to salvation. Cherry reveals interesting information about her past.
Jax must choose between friendship and the club when one member is arrested for murder and another goes missing. Abel grows stronger and is soon to be released from the NICU.