Mitzi Weinhaus is the talentless daughter of two Munich Kabarett stars. One night, in an underground club that has so far escaped Nazi detection, she meets the enigmatic singer Giselle, who offers her the chance to be a hero. Teamed up with the mysterious Wolfrik, for whom she develops an alarming attraction, Mitzi soon finds herself ensnared in a world of secret societies, super-soldiers, monsters, and gods. With double-crosses on all sides, can she save her parents from certain death—and her heart from one of the most powerful beings in the universe?​