Hans has killed the dog of Firmin, a shepherd. Wild with rage, Firmin kidnaps Elsi, Hans' fiancée and locks her up at his home. Hans, a peddler, vows to find the missing girl. This is what he does and he manages, with the help of Mânu, the village idiot, to give Elsi a letter. On seeing her, the changeling falls in love at first sight with the young woman. Elsi soon realizes that Mânu can become her instrument of vengeance.

Frank, a hobo, ends up in a garage-truck stop in the middle of nowhere. Nick Marino, its older, kind and naive owner, is married to Cora, a sexy and mercenary woman half his age. Frank, although not a fan of hard work, accepts Nick's offer to work for him. Of course, it is not for Nick's sake that the young man becomes his attendant, but for the love of Cora under whose spell he has fallen at once. It does not take long before Cora, who despises her husband, asks her lover to help her get rid of him. Frank is reluctant at first but ...