McGarrett finds himself in need of the teams help when he goes to North Korea with Jenna Kaye to deliver a ransom to rebels who are holding her fiance hostage.

When innocent Syrian children are killed by an American-made cluster bomb, Elizabeth races to figure out what went wrong before Russia uses it to escalate its military presence in the region.

When a former NCIS investigative assistant is found brutally stabbed to death, Gibbs and the team discover that the agent was selling secrets to professional thieves.

When a former Romanian communist leader and suspected war criminal is discovered to be living in Los Angeles under a false identity, the team must catch him before he disappears again.