With the club divided in the wake of Donna’s death, Clay sets up a new gun deal with the IRA. Meanwhile, a white separatist group takes root in Charming and threatens more than just Samcro’s control over Charming.

When the MC heads north on a "charity" club run, they find more than just bike trouble when they cross state lines. And with Samcro out of Charming, Gemma’s left in a compromising position with The League.

Fresh out of jail, Sam Crow reunites with family, confronts new Charming law enforcement, and shifts business alliances.

While the repo business proves more fruitful than the club ever imagined, ATF Agent Stahl gets up close and personal with the MC. Meanwhile, the tension between Jax and Clay forces Gemma to make a tough decision.

The aftermath of Abel's kidnapping has the Sons reeling -- especially Jax, whose grief sends him into deeper turmoil over his future with the MC. Meanwhile, Gemma still on the lam, is hit with some unexpected news from her past.

Incited by Zobelle, Clay sets a course for retaliation, forcing Jax to turn to an unlikely source to save the club from destruction. Gemma shows Tara how an old lady handles her anger.

Since The League has SAMCRO members behind bars, the club must make new alliances in prison to survive. Alcohol, Tobacco and Firearms Agent Stahl uses this imprisonment to test Jax and Clay’s relationship.

As SAMCRO attempts to rid Charming of Ethan Zobelle and The League permanently, familiar faces present new challenges.

With an already-dwindling gun supply in question, SAMCRO takes extreme measures to procure weapons for a customer. The revenge that is sought following a theft at Caracara Studios puts one diva at risk. Tara's professional and personal lives begin to collide.

The entire SAMCRO family goes on lockdown inside the clubhouse as Jax and Clay prepare to battle The League. A.J. Weston learns the truth about Ethan Zobelle's business dealings in Charming. Applying what she has learned from Gemma, Tara ensures her position at St. Thomas Hospital.

When SAMCRO's adult-film business becomes a hindrance to the club, Clay seizes the opportunity to revive the gun-running cartel.  As Jax and Clay continue to clash over club activities, their relationship reaches a new level of antagonism.

To get intel on Abel’s whereabouts, Jax and the club help a bounty hunter track down a skip. Meanwhile, Gemma deals with family issues.

Both the ATF and the Russians prove obstacles as the club looks to heal old wounds.

When Samcro pays a visit to another charter, not everyone’s happy to see the mother chapter.

Sam Crow heads north to help Happy with a pharmaceutical favor in redneck territory. Gemma tries to put old family matters to rest.

The Grim Bastards have a problem that could jeopardize Samcro’s new business arrangements.

To protect their territory, Sons of Anarchy must handle a rat at St. Thomas.

The club embarks on a protection run, the likes of which they’ve never seen before.

SAMCRO encounters an unlikely foe when a piece of their business goes missing.

The IRA wants proof that one of their own has flipped and Samcro intends to give it to them.