A suspected North Korean spy is poisoned and hit by a truck carrying Christmas trees. The team investigates and tries to learn who is smuggling spies into the country. Meanwhile, Deeks and Kensi try to include their mothers in their Christmas plans; and Hetty notices that Granger isn't in a holiday mood.moreless
On the fourth anniversary of his father's death, McGarrett meets a woman who helps him reopen the last unsolved case his dad worked on before he died.
Jax makes arrangements to take the club in a different direction.
After confronting Juice about his betrayal of the club, Jax offers him a path to redemption. Avenging Opie's death proves difficult when one of the perpetrators turns up under the protection of the Grim Bastards, leading to a disagreement between Jax and Bobby. As Gemma attempts to get closer to Clay, Tara performs one last favor for Ottoâ€”with bloody results.moreless
Complications arise as the Sons band together to face a new adversary.
Jax tries to finalize a deal with the Irish and the cartel, but it isn't as easy as he thought.
In Part 1 of the two-part Season 4 finale, Jax faces a new challenge that threatens his family and SAMCRO.
As Jax searches for who threatened Tara, she becomes aware of what's been going on with the club and warns Jax that Clay can't be trusted
After exacting their revenge, SAMCRO is forced to make a decision that could cause a huge shift in the club.