Responding to her lover’s kisses, Didi did not know that by doing so she was dooming him to death... After all, she is a nymph! Nymphs are immortal, but to remain young and beautiful, they need the energy of men. Every full moon the girl is forced to look for a new victim. No one can resist the nymph’s charms, but her chosen one will pay with his life for a night of passion! One day, Didi realizes that she has fallen in love - and her boyfriend is in mortal danger. How to escape from the trap?