A rival gang steals the Sons' stockpile of assault rifles, while Jax's ex-wife's drug overdose leads to an emergency c-section and life-threatening surgery for their baby.

The club deals with the aftermath of their firearms warehouse attack as a new Deputy Chief of Police poses a new threat to SAMCRO.

Samcro scrambles to raise cash as the IRA gun payment comes due. The Mayans and Nords take an extreme step to cement their alliance. And Jax finds himself in danger as his relationship with Tara deepens.

SOA plans revenge on a rival biker club while hosting the wounded Cameron Hayes in the clubhouse. Meanwhile, Jax, Bobby, and Opie strive to clear the gun debt forever.

The club needs cash to fund Bobby's defense, but Clay's strategy leaves them in a vulnerable position. Abel comes home for the first time. But the homecoming party ends in tragedy.

Jax's decision without the club's approval doesn't sit well with Clay, especially when it brings dangerous repercussions upon the MC.

When Oswald puts up the bail money, SAMCRO are released from prison, but the split between Clay and Jax is wider than ever. Complicating matters, Caruso's thugs attack Luann's studio. In an effort to heal the tensions between her husband and son, Gemma organises a meal. Clay comes to an agreement with Oswald when he learns Jacob is planning to run for mayor. Chibs's estranged wife Fiona Larkin (Bellina Logan) shows up at his hospital bedside, much to Gemma's chagrin. Lin has a proposal for SAMCRO, who are surprised to learn Marstein is still alive. Given the accounting job at Luann's studio, he informs SAMCRO that the Triad and the 9ers have been losing territory to the Mayans. When Jax, Bobby, and Opie go to see Laroy to ask him about it, they get something unexpected. Meanwhile, Weston is not entirely happy with Zobelle's latest decision, Gemma's efforts to help Tara backfire, Opie begins to get close to one of Luann's girls, Lyla Dvorak (Winter Ave Zoli), and Edmond begins a relationship with Zobelle's daughter Polly (Sarah Jones).

Chibs makes a secret deal with Agent Stahl in order to protect his wife and daughter. Opie learns the true circumstances that led to Donna's death and seeks both revenge and reconciliation.

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

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

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

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

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

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

The Sons of Anarchy are forced to make a decision that could challenge the future of the club.

SAMCRO enlists a former foe to help stop the advancement of Charming Heights, while the Sheriff presses Juice for more information.

SAMCRO's relationship with the Cartel is in jeopardy when an important package is compromised.

SAMCRO deals with the fallout from a death threat made against Tara.

An important club vote gets side tracked when SAMCRO is forced to deal with dangerous external threats against the club.

SAMCRO gets word that the Niners have made a new alliance that directly impacts their own agenda.

Jax and Tara get a glimpse of life without SAMCRO but discover that their reality is hard to escape.

Jax brings a new proposal to the club with serious consequences.

Jax strikes a new deal while ridding himself of old problems.

As the dust begins to settle, Jax's world is suddenly turned upside down.

Jax has to handle some unhappy customers as the weapon deal goes through Mike's organization. Meanwhile, Tara finds a way to avoid jail without giving up the MC.

Jax is freed from prison and makes revenge his top priority. Wendy leaves rehab early and discovers Juice is hiding from SAMCRO and laying low at her apartment.

Jax takes advantage of shifting alliances to protect the MC and settle a score.

Samcro makes an unlikely partnership in order to undermine a powerful club enemy.

As the whole of the Sons of Anarchy organization bears down on the outlaw motorcycle club's California-based Redwood Original chapter, President Jackson "Jax" Teller comes face to face with an extremely unpleasant reality.

Gemma visits her father. Jax learns where she's at and goes after her. Unser gets in his way and suffers the consequences. Juice runs his last deal for the club. Wendy and Jackson get together.

SAMCRO president Jax Teller takes the final steps towards fulfilling his father's legacy.