The pirate adventure Black Sails centers on the tales of Captain Flint and his men and takes place twenty years prior to Robert Louis Stevenson’s classic “Treasure Island”. Flint, the most brilliant and most feared pirate captain of his day, takes on a fast-talking young addition to his crew who goes by the name John Silver. Threatened with extinction on all sides, they fight for the survival of New Providence Island, the most notorious criminal haven of its day – a debauched paradise teeming with pirates, prostitutes, thieves and fortune seekers, a place defined by both its enlightened ideals and its stunning brutality.
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 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.
Flint gives in to Billy's authority; Eleanor has a plan for Rogers; Silver turns to an unlikely source for help; Max is put on notice.
Max has a run-in with the law; Rogers reckons with the past; Flint and Madi come to an understanding; and Long John Silver returns.
Silver takes Flint's life in his hands; Billy drives a wedge; Eleanor risks everything; Rogers makes a stunning appeal.
Nassau is delivered; Silver makes a painful amends; Madi and Flint are separated; Rogers searches for Eleanor.
Flint urges caution on an angry Silver. Max leads Rackham and Bonny up river. Billy locates a survivor. Rogers learns the truth.
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.
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 gives Dufresne some advice. Silver must make himself indispensable. Eleanor is asked to depose a captain. Rackham gets ambitious.
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.
Flint threatens Vane. Eleanor chooses a side. Rackham learns what Max is capable of. Silver reunites with an old friend.
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.
Eleanor brokers a peace. Rackham learns the hard way. Flint breaks a promise. Bonny loses control.
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 prepare for the worst. Silver has his eyes opened. Eleanor discovers Max's secret. Vane makes his move.
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.