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.
Flint and his crew wage war against the world; Eleanor is offered clemency; Vane takes issue with Rackham's methods; one of Nassau's most notorious individuals returns.
The Walrus crew is threatened by the elements; Teach and Rackham have a disagreement; Rogers and Eleanor set terms for their partnership; Bonny worries about her future with Max.
Silver is pushed to the limit by Flint; Nassau readies to fight back against an invasion; Rackham takes control while Max gets her house in order; Vane must make a difficult choice to avoid defeat.
Civilization returns to Nassau; Flint, Silver and Billy meet a new enemy; Rackham takes a stand against his crew; Scott finds his place in the new regime.
Silver pushes Flint to take action as certain death looms; Teach instructs Vane how to move forward; a new threat puts Eleanor and Rogers on notice; Max makes a move.
Flint and Silver's return to Nassau results in the birth of a legend; a change in terms jeopardizes Rackham and Bonny; Vane's mission evolves; Eleanor confides in Rogers.
Rogers is attacked during the moving of a prisoner; violence breaks out on the Walrus; Silver and Madi are tested; Billy envisions a new role for himself in the coming battle.
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.
Pirate Capt. Flint faces a mutiny from his own crew; John Silver hides something of great value; Eleanor keeps order on New Providence as the Royal Navy grows stronger.
The Walrus crew suffers a disastrous undertaking; Flint receives a warning about Billy; Eleanor turns to her father for help; Vane is visited by a figure from his past.
Flint comes clean with Gates; Randall's actions cause problems for Silver; Eleanor suffers a loss; Max helps Rackham; Vane faces his biggest challenge.