Tara and Unser help Gemma keep her rape hidden from Clay and Jax. Tensions between the Niners and the Mayans escalate, catching SAMCRO in the middle. Jax has an idea for a new income stream for the club.
The League's actions begin to bear fruit as SAMCRO starts to unravel. Old friends and enemies return with mixed results. Jax unwittingly enters rival territory. Clay tries to recover valuable merchandise.
Sam goes under cover as a prisoner to track down a terrorist group responsible for several bombings around the world.
Bailey continues to put her wedding day on hold as she tries to save Adele's life; Owen and Cristina are unsure about their pending divorce; Callie and Arizona try to reignite their spark.