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.
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.
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 Walrus crew is stranded, with an army of Spanish soldiers standing between them and the precious Urca gold. With their crimes against their brethren no longer a secret, Flint and Silver must join forces in a desperate bid for survival.
Flint returns to Nassau and encounters a dilemma; Eleanor turns to an unlikely source for help; Rackham works to restore his reputation; Vane gets an unexpected prize.
Miranda embarks on a journey to save the island. Eleanor opens old wounds. Rackham sniffs around a big secret. Vane must take matters into his own hands.
Max cleans up after a massacre. News from the outside world changes everything for Flint and Silver. Eleanor risks her life for the sake of her future. Bonny faces a crossroads. Dufresne pushes Billy to act.
Flint and Miranda come to grips with their past. Bonny makes clear her intentions to Rackham. Vane collects a huge prize. Eleanor issues a declaration of war.
Flint and his crew wage war against the world. Eleanor receives an offer of clemency. Vane objects to Rackham's methods. One of Nassau's most notorious returns.
The Walrus crew battles the elements. Teach and Rackham have a disagreement. Rogers and Eleanor set terms for their partnership. Bonny fears for her future with Max.
Stranded at sea, Flint pushes Silver to his limit. As Nassau prepares to repel an invasion, Rackham takes the reins, while Max gets her house in order. To stave off defeat, Vane makes a difficult choice.
Civilization returns to Nassau, and sets its sights on Vane. Flint, Silver and Billy encounter a new enemy. Rackham takes a stand against his crew. Scott finds his place in the new regime.
Facing certain death, Silver pushes Flint to take action. Teach shows Vane a way forward. A new threat puts Eleanor and Rogers on notice. Max makes her play.
Flint and Silver return to Nassau, and a legend is born. A change in terms put Rackham and Bonny in jeopardy. Vane's mission evolves. Eleanor confides in Rogers.
Rogers comes under attack while moving a prisoner. Violence erupts on the Walrus. Silver and Madi are put to a test. Billy sees a new role for himself in the coming battle.
The invasion of Nassau results in catastrophe, while Teach and Rackham look to avenge the death of Charles Vane and Eleanor gets acclimated to her new role.
A rescue plan threatens to divide Flint and Silver. The true price of freedom becomes apparent to Max. Rackham seeks his prey. The Walrus enters uncharted territory.