A strange, red circle appears on the neck of a man saved from the guillotine. What is its mysterious meaning? Tragically, it turns out to be something of a family curse, as each generation thereafter bears the same sign, which in turn leads to blackmail and murder.
| Camera | Wolfgang Treu | Camera Operator |
| Directing | Jürgen Roland | Director |
| Writing | Edgar Wallace | Novel |
| Writing | Wolfgang Menge | Screenplay |
| Writing | Egon Eis | Screenplay |
| Costume & Make-Up | Lilo Hagen | Costume Design |
| Sound | Willy Mattes | Original Music Composer |
| Editing | Margot Jahn | Editor |
| Sound | Knud Kristensen | Sound |
| Camera | Heinz Pehlke | Director of Photography |
| Art | Erik Aaes | Production Design |
| Production | Preben Philipsen | Producer |