Starring: Paul Naschy, Perla Cristal & Veronica Lujan Director: José María Zabalza
A science professor leads an expedition into Tibet. Entrapped by a blizzard, only the professor escapes with his life. He has violent memories of being attacked by a monster. On his return home, he confides his problem to a fellow scientist. Unknown to him, she specializes in creating monsters of her own by using her knowledge of mind control. Soon the professor and the werewolf he has become, are under her total control.