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 endeavors to save the island. Eleanor sees old wounds reopened. Rackham is on the scent of a secret. Vane is forced to take matters into his own hands.

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 acquires an unlikely ally. Vane's crew seeks a sea change. Silver makes a sacrifice.