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.

In the wake of a tragedy, the club must re-evaluate its bonds of brotherhood.

While Jax and Clay lock horns (and line up support) over how to deal with Zobelle, Tara finds herself ensnared in Gemma's emotional struggle in the aftermath of her attack. Meanwhile, SAMCRO gets help from an unlikely source.

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.

Extreme measures are taken by SAMCRO to get a hold of weapons for a customer. A theft at Caracara Studios means revenge after one diva is put at risk. Tara's professional and personal lives begin to collide.

To secure weapons and raise money for Abel’s search, the club exploits its porn connections to entertain Henry Lin’s clients, which doesn’t sit well with Opie (Ryan Hurst). Jax’s decision to search for Abel in Canada gets derailed. When Gemma’s dad goes MIA, her prisoner makes plans to do the same.

To protect their territory, SAMCRO must handle a rat at St. Thomas.

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

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

After exacting their revenge, SAMCRO is forced to make a decision that could cause a huge shift in the club.

SAMCRO must put off an important vote to deal with an external threat.

SAMCRO faces a powerful adversary that threatens their business with the Cartel.

Jax learns new secrets that turn his world sideways.