As the club deals with the aftermath of their illegal arms warehouse attack, the Deputy Chief of Police poses a new threat to Samcro's reign over Charming. Jax continues to worry about the fate of his newborn son and begins to question the club's rough way of doing business. Opie's financial struggles leave him with a difficult choice.
While investigating cases of vigilantism, Nick and Hank hear talk of an old Spanish legend. Meanwhile, Juliette learns the truth about Nick's mother, and Adalind suffers a scare during her ultrasound.
Jax secures a new alliance for the club while Clay makes moves inside for protection.
The team must help an injured former Secret Service agent regain his memory in order to stop the launching of weapons of mass destruction.
Jordan and Drew perform a daring rescue by jumping from a chopper; Paul deals with the repercussions of standing up to his father; Shannon indoctrinates Cain; TC must treat his captor to rescue Syd.