James Curtain gets out of prison and rushes to the FBI in New York City. A ritual murderer who has been in prison for two years for life can get out of prison at will without anyone noticing. The FBI doesn't believe him and sends James Curtain away again. He finds a conspiracy theorist's YouTube video and searches for it. He finds him on Wall Street.
NCIS in Hawaii receives a visit from Scotland Yard, who have to investigate extensively in Hawaii. Meanwhile, Special Agent Jane Tennant gets an unpleasant visit of her own. From Leyla Keen. Keen is looking for someone she can't find without more information. Keen threatens Tennants family to get what she wants. Agent Tennant has a very personal decision to make. Meanwhile, the team must solve a murder that is, quite literally, hair-pulling.