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 challenges Teach over the future of piracy. Rogers makes an arrest. Rackham finds new purpose. Madi comes to Silver's aid.

Flint and Silver return to Nassau, and a legend is born. A change in terms puts 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.

Eleanor puts everything on the line to save Rogers. Billy recruits allies. Flint and Silver prepare for war.

Rogers and his forces come for the pirates. Rackham and Bonny face impossible odds. Silver demands answers from Flint. Billy crowns a king.