Death Karate in Torremolinos.

Dr. Malvedades intends to bring back Jocántaro, a Beast of the Apocalypse. To do this, he uses underwater ninja zombies to kidnap five women who had recently lost their virginity for human sacrifices. Jess, a Catholic surfer who has commited to remain chaste until he's 24, tries to rescue his girlfriend, one of the kidnapped girls, along with his friends.