Origins" Episode 9. "NCIS: Origins" revisited Gibbs' revenge against the cartel leader who killed his wife and child, which promises to send shockwaves across Mike Franks' team. Episode 9, titled "Vivo o Muerto,

SPOILER ALERT! This story contains plot points from Monday’s episode of NCIS: Origins on CBS. In the December 9 episode titled "Vivo o Muerto," a case of a missing woman who disappeared after a night of clubbing with a Navy seaman ends up answering some burning questions about Leroy Gibbs’ past.

CBS’ official description for this new episode 9 of NCIS: Origins season 1 reads like this, “The case of a missing woman who disappeared after a night of clubbing with a Navy seaman takes the team to Mexico, where they learn of a possible connection to Gibbs’ past on NCIS: ORIGINS.”