A United States Navy ship within the first half of the nineteenth century, below the command of Captain David Porter, is anticipating to place ashore after a 12 months on the seas; however the arrival of one among Porter's ex-students, the willful and impartial Lieutenant David Farragut, brings a brand new mission: to disguise the ship and crew as a pirate ship and assist the Navy find the criminals who've been robbing America's service provider fleet. However as Farragut's disobedience threatens the security of the crew, they bump into a world conspiracy.