In Paris a killer is strangling young women and dumping their dead bodies into the Seine and is nicknamed "Bluebeard "after the classic French story of the man who murdered his wives. As women group together to travel in the evening streets, the outdoor puppet theatre of Gaston (John Carradine) becomes a popular place for people to convene. When Lucille (Jean Parker) sees Gaston's puppets she is enthralled and an emotional bond is formed with the performance artist. When Gaston returns home waiting for him is a former love Renee (Sonia Sorel) who is jealous that Gaston is interested in Lucille. In a calculated cold act Gaston strangles Renee and dumps her body into the river. As Gaston's relationship with Lucille develops police Inspector Lefevre (Nils Asther) who is the fiancé of Lucille's sister Francine (Teala Loring) and when the investigation leads them to a suspicious art dealer Lamarte (Ludwig Stossel) who may be a front for a murderous painter, Francine agrees to model for the artist who turns out to be Gaston. The police believe they have their man and close in but can they catch the killer before he kills again?
Question: What river does the killer dump the bodies into?, Answer: Seine. Question: Who owns the outdoor puppet theater?, Answer: Gaston Question: What city does the story take place in?, Answer: Paris