Werner Krauss appeared in several films directed by GW Pabst, and this one stands out as being among their stronger collaborations. He portrays "Fellman," a man who unexpectedly develops an inexplicable urge to kill his wife (Ruth Weyher) using a knife—though it’s worth noting that her hairstyle could use some attention. Overcome with fear regarding his newfound fixation and the imminent arrival of his closest friend…