A powerful foe threatens SAMCRO's business with the cartel. Meanwhile, Jax confronts Clay over his mother's beating; Wendy (Drea de Matteo) returns to Charming, wanting to reenter Abel's life; Otto (Kurt Sutter) makes a deal with Linc; Bobby conducts some business with Georgie Caruso (Tom Arnold); Juice comes clean to Chibs; and Opie finds out about his father's death.