Jax grows weary of the increasing lawlessness of the motorcycle club he is involved with. His life becomes more unstable when he discovers his late father's true vision for the Sons of Anarchy, and his crank-addicted ex-wife gives birth to his son.

When the young daughter of a prominent Charming family is assaulted at a carnival, SAMCRO members vie with authorities to capture the assailant. Meanwhile, a new shipment of guns arrives from SAMCRO's IRA connection, but there's a catch; and Tara's ex-boyfriend comes to town.