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.

Jax's loyalty to SAMCRO is tested when one member is arrested and another disappears. Meanwhile, Abel's improving condition could spur his release from the NICU, but his homecoming may not be the only one.

After Gemma experiences something horrible she can't tell Jax and Clay. A rival porn producer comes to try and put Luanne out of business and Clay doesn't like Jax's decision making.

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.

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

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