After a hurricane, John B, JJ, Pope and Kiara plunge headlong into danger and adventure when they find a mysterious sunken wreck.

As the gang hatches an illicit scheme to get to the bottom of the deep-sea mystery, John B confronts Sarah while Pope jumps at the chance for revenge.

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.

John B believes he's made a breakthrough in the hunt for the gold, but his desire to include Sarah in the quest causes friction among the friends.

John B finally learns the truth about his dad — and sets off a chain of events that jeopardizes everything he and his friends have fought to accomplish.

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.

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.

John B, Pope, JJ and Kiara brace for a showdown on board the ship, while Sarah realizes the harsh truth of her distressing family situation.

An unexpected rescuer takes the Pogues from a remote island to Barbados, where they encounter a powerful treasure hunter with his own agenda.

An emotional homecoming is easier for some than others. Big John searches for the diary. Ward's plans for a prized possession don't sit well with Rafe.

Sarah convinces an old friend to help with a high-risk, high-reward mission. Looking to access a museum collection, John B and his dad get creative.

Secrets threaten to drive a wedge between John B and his friends. Sarah revisits a past life. Pope reaches a breaking point.

With Singh on the move, John B and JJ scramble to catch him. Pope makes a breakthrough. Sarah questions where her loyalties lie.

With their ride to Orinoco waiting on the tarmac, Kiara and JJ run into several complications. Rafe has a change of heart.

The Pogues' search for El Dorado brings them deep into the jungle, where John B and Sarah face the ultimate test of their courage and family bonds.