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.
At the request of Detective Mikki Mendoza, the squad investigates a series of brutal murders, which seem to indicate that a Mexican drug cartel may have moved into the city.
FBI agent Mark Benford investigates when after two minutes of unconsciousness, everyone sees a glimpse of their lives six months into the future.