An island crawling with law enforcement and a looming tropical storm are just two of the obstacles facing John B as he tries to make his escape.

John B tries to evade capture as he zeroes in on the gold, but a promise to Sarah could derail his plans. Back home, his friends face life without him.

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.

John B bristles when Sarah reconnects with a former flame. Ward's web of lies starts to unravel. Pope discovers a shocking family secret.