When infamous pirate Edward Teach, aka Blackbeard, steals a game-changing navigational device, British spy Tom Lowe must work undercover to destroy it - and assassinate its new owner.

An old friend tests Blackbeard's resolve after refusing to cooperate in a risky scheme; Kate enlists Lowe to repay a debt.

Blackbeard and Lowe embark on a dangerous rescue mission when British soldiers capture Kate.

A risky move lands Lowe in a struggle to hide his true allegiance.

Lowe devises a way to report back to his spymaster, only to discover that Jagger may be the true madman.

Lowe's plot to save Santa Campana pits him against Blackbeard in a struggle for power.