The husband of Countess Manon Moreau is found murdered and a certain André Rabatin, a member of the same gentlemen's club as Count Moreau, is suspected of having committed the crime. He maintains his innocence to the widow and claims that the count's death must have been a tragic accident. Over time, Manon begins to fall in love with the suspect Rabatin, who seems to her incapable of such a brutal act of violence. But this budding relationship with Rabatin makes her herself suspected of having murdered her husband and soon people begin to investigate her too...