Convinced that the clue found onboard the boat connects to his missing father, John B leads his friends on an increasingly frantic search for answers.

When John B's supervision-free home life catches up to him, he receives a well-timed assist — and some spiffing up — from the last person he expects.

JJ cooks up a risky plan to help out John B. Pope hunts down information about the key. Kiara and Sarah both deal with family fallout over the Pogues.