Whilst facing threats on all sides, including a possible mutiny, Captain Flint hires a young sailor named John Silver, who hides his most precious possession. As the Royal Navy gets ever more powerful, Eleanor keeps order on New Providence.

Flint discovers a thief amongst his crew. Eleanor must make a difficult decision. John hides with Max, inside a brothel.

While Flint and Gates realise they need help to find the Urca d'Lima, John and Billy have to increase the crew's morale. Vane impresses Eleanor and Gates receives a promotion.

Captain Flint is warned about Billy. Vane encounters someone from his past. Eleanor asks her father for help. The crew of The Walrus suffer a disastrous undertaking.

Bonny confesses. Rackham makes a life-altering decision. Richard forces Eleanor's hand. A chess match is organized for Flint and the Walrus crew.

Chasing the Andromache is a pricey endeavor. Eleanor needs help from Silver. Billy believes Gates should confront Flint. Bonny takes a stand.

Flint comes clean with Gates. Randall's actions cause problems for Silver. Eleanor suffers a loss. Max helps Rackham. Vane faces his biggest challenge.

The hunt for the Urca begins. Things change for Eleanor. Bonny and Rackham are haunted by their past sins.