Ep 21. Red Cell

In NCIS season 2 episode 21 titled "Red Cell," the NCIS team is faced with a dangerous new threat. A rogue group of former Marines called "Red Cell" have started a string of terrorist attacks, and NCIS is called in to investigate.

The team quickly realizes that the Red Cell group is extremely skilled and organized, making them a dangerous opponent. With the help of a former Red Cell member who has turned informant, the team uncovers a plot to steal and sell a deadly virus that could potentially kill millions of people.

As they race against time to stop the sale and find the virus, they also must deal with personal issues within the team. Gibbs is forced to confront his own past as a Marine, while Caitlin struggles to balance her duties as an NCIS agent with her role as a protective older sister.

Meanwhile, Tony and Kate investigate the murder of a Navy lieutenant, which leads them to suspect the involvement of Red Cell. Their investigation takes a dangerous turn when they are trapped in the lieutenant's office, and Tony must use his wit and training to get them out alive.

As the NCIS team works to stop the Red Cell group and save innocent lives, they must also navigate the complicated relationships and personal issues that threaten to tear them apart. Will they be able to stop the terrorists in time, or will the virus be used to wreak havoc on the world? Find out in this thrilling episode of NCIS.