Donna's death has the club divided, with Clay setting up a new gun deal with the IRA. Charming and SAMCRO 's hold on the city is threatened after Ethan Zobelle a sophisticated separatist opens a tobacco shop. Zobelle and his less-sophisticated associate are determined to take SAMCRO down due to their black and Latino bikers.

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.

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. Framed for murder, Gemma remains on the lam, and is hit with some unexpected news from her past.

To get intel on Abel’s whereabouts, Jax and the club help a bounty hunter track down a skip. They also press a source for answers about the attack at Half-Sack’s wake - the MC way. Meanwhile, Gemma deals with her father’s dementia.

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.

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

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

While the club's on a man hunt, Jax faces the toughest decision of his life.

With a SAMCRO family member held hostage, Jax must choose between revenge and the good of Charming.

14 months after going to prison on federal weapons charges Jax, Clay and the other SAMCRO members are released and return to Charming where they encounter new enemies in the form of a no nonsense sheriff and an Assistant U.S. Attorney out to nail the club for their dealings with Russian gunrunner Putlova. Also Jax makes a promise to Tara and Opie and Lyla get married.

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 negotiates with the Irish Kings to secure the club's future.

Jax must overcome great obstacles as he attempts to finalize the gun deal between the Irish and the cartel.

Jax attempts to pull Samcro into a new business venture.

Anticipating backlash, Jax goes into high gear with his own agenda.

Triggers are pulled that strengthen the MC, but also threaten to destroy it.