After working on a case of saving the lives of children , Callen finally discovers that he has one too eight years too late but Nell doesn't seem to mind, the more the merrier. with the case of the mole and other dangers that threatens happily ever after.

Val was once an agent under the phoenix foundation and was the niece of Jack . she was sent undercover for years without contact . finally the reunion they all expect wasn't the one they got because she found something she shouldn't have on her mission and now it threatens her very existence and the organization. Will the team be able to Mac their way out or die trying.