 Discharged from the U.S. Navy for disobeying orders, Thorpe (Thomas Ian Griffith) sails the high seas as a mercenary for hire in his sleek ship called "Sea Wolf." Upon meeting the beautiful and mysterious Helene, she enlists Thorpe to find Moctezuma s Treasure, millions in jewels and artifacts, and return it to the government of Mexico. What he doesn t realize is that this will not only be his most dangerous mission ever, but also his most deadly.