When a rival club cleans out and then destroys their illegal arms warehouse, SAMCRO (Sons of Anarchy Motorcycle Club, Redwood Original) executes their own sense of justice in retrieving their guns. Meanwhile, family issues take center stage with a medical emergency involving Jax Teller's newborn son.

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.

Gemma hosts a town fundraiser, bringing the former club member responsible for Opie's arrest back to town; Clay deals with protecting a perverse parolee who can lead to a big payoff.

SAMCRO plans retaliation on a rival biker club while dealing with wounded Cameron Hayes in the clubhouse; Jax, Bobby and Opie try to end the gun debt for good.

With Stahl pressing the women of SAMCRO, Jax sees Unser as the key to salvation; Cherry reveals interesting information about her past.

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.

Clay's solution to getting cash for Bobby's defense leaves SAMCRO in a vulnerable position; Abel's happy homecoming ends in turmoil for the club.