Caroline plans a party for Elena's 18th birthday; Damon and Elena search for Stefan; Klaus and Stefan track a werewolf; Jeremy struggles with visions of ghosts.
The team investigate a case of stolen nuclear waste and vehicular manslaughter while Pride is on administrative leave after the takedown of Mayor Hamilton.
Elliot Stabler returns to the NYPD to take on the city's most powerful organised crime syndicates and rebuild his life in the wake of a devastating personal loss.
Bell and Stabler welcome two new faces to the task force, and they investigate two seemingly unrelated crimes in hopes they'll be connected back to their case.
The task force encounters a ring of fraudulent companies shipping contraband around the world; Congressman Hudson's investigation escalates when he recruits help from within the FBI.