Mid-18th century. In the vastness of the Caribbean Sea there is an endless war for the West Indian colonies with their untold riches. And in war, as you know, all means are good - while verbally condemning maritime robbery, the great powers do not disdain the help of pirates. Their black "Jolly Roger" flags terrorize port cities; Even warships avoid meeting them. And the name of a pirate captain nicknamed Black Diamond thunders throughout the entire Caribbean Sea - elusive, like a ghost, swift and dangerous, like a shark, mysterious, like death itself. But only his desperate team knows that under this mask hides a beautiful lady who raised a black flag to avenge the death of her father and lover...