When a new agent joins the NCIS team, there seems something strangely familiar about her, she is welcomed by everyone. But Is she really who she says she is? and will she bring danger to the team?

Molly Lees, a British teenager, arrived home one day to discover she and her parents were in terrible danger. After the murder of her parents, she is moved to Washington DC to be put under the protection of an NCIS team led by a Special Agent Leroy Jethro Gibbs. The question is, will they be able to protect her from the murderer who is still at large or will another child slip through Agent Gibbs fingers?