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

Set up by Damon Pope and being sought by police, Jax rallies the MC's resources to plan their next moves. Knowing Pope's endgame, Jax seeks Romeo's protection before he, Chibs and Tig end up behind bars as sheep-to-the-slaughter. As Opie struggles to decide his future with the Sons, an unexpected visit from a brother forces the issue.

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.

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

Jax deals with collateral damage as external pressure continue to stack up against SAMCRO.

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.

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.

Jax attempts to pull Samcro into a new business venture.

Pressure mounts on Jax as the sins of his club and family pull him in different directions.

SAMCRO exploits an opportunity to secure an important alliance.

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.

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.

Complications arise as the Sons band together to face a new adversary.

With the search for a missing member at a standstill, focus shifts to flushing out an internal rat.

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.

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.

Zobelle comes up with a problem that Hale can solve to frustrate SAMCRO. Meanwhile, Gemma being raped is really affecting her relationship with Clay and the fact that Jax is involved with Luanne's porn business is bothering Tara. Clay decides to give Bobby the responsibility of running the business side of Luanne's.

Jax and Clay head towards Canada after Jimmy provides misleading intel on Abel’s whereabouts. The rest of the club splits off to help Happy with a pharmaceutical favor in redneck territory. Gemma tries to put old family matters to rest.

To help Gemma, SAMCRO and Abel, Jax conspires with an unlikely source. Meanwhile, the MC puts Chucky undercover.

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

SAMCRO makes a run to set up a new business venture with their Tucson charter, SAMTAZ while Gemma makes a new ally in town with Police Chief Roosevelt's wife, Rita.

Jax gets closer to the truth but there are still obstacles in his way.

Jax secures a new alliance for the club while Clay makes moves inside for protection.