The famous scientific detective Justin Crécelle and his faithful assistant Walter Jymson seek to halt the deeds of the "Clutching Foot" gang, who attempt to kidnap Hélène, the fiancée of Justin, in both possible and ridiculous ways. The film is a spoof of the Les Vampires serials, with Musidora...
An innkeeper, Juana, is courted by Jarana, a bullfighter who is then seduced by a stranger. Juana then confides in a hunchbacked antiquarian who loves her desperately.
