Richard Gantz has no chance of paying rent, keeping a job or finishing a movie project. Everything changes when he gets recruited by the aging zodiac killer to make him a film, while collecting "slaves for paradise."
Stumbling across an uncompleted 1939 film called "Princess Marushka", filmmaker Sam becomes intrigued with the young actor Sylvain Marceau, who last appeared in the film. Hoping to discover the mystery behind Sylvain's disappearance, Sam decides to make a documentary and sets off to interview those who knew Sylvain, including elderly Lisa Morain. Through her interview, Sam learns the story of Lisa and Sylvain's doomed love affair on the eve of World War II.