Ep 21. Brothers In Arms

After a petty officer is found dead at a local bar, the team investigates and discovers that the victim was in the process of selling military secrets to a foreign country. In order to track down his accomplice, Tony and Ziva go undercover at a dance club that the suspects frequent. During their surveillance, they encounter Ziva's estranged brother, Ari, who is also investigating the same case for Mossad. Pressured to choose between her duty to NCIS and her loyalty to her brother, Ziva must confront Ari and decide where her allegiances lie. Meanwhile, Gibbs and McGee work to track down the real culprit behind the leak of classified information, leading to a shocking revelation and a dangerous confrontation. As tensions rise and loyalties are tested, the team must work together to stop a national security threat before it's too late. With intense action and dramatic twists, "Brothers In Arms" is a thrilling episode that will keep viewers on the edge of their seats.