A millionaire Morgan invited 12 of his family members to his house for a dinner party (but only 11 showed up), but the host died in the middle of the event. Thirteen years later the house remains boarded up when Morgan's daughter Mary arrives, but is killed by a mysterious person walking in the house. Captain Ryan calls in investigator Phil Winston to help solve the case. Winston and Ryan suspect the family lawyer Barksdale, but later he is found murdered in the house. The two believe that one of the people invited to the party is the killer and question all the family members, but later Mary Morgan reappears and Winston finds out someone hired a woman to impersonate her in order to get her inheritance. Winston has to make sure all of the family members are watched, in order to make sure the real Mary Morgan doesn't become a victim. I was slightly disappointed by the movie considering it struggled to flow smoothly in terms of direction and script. Talbot was playing the role as if to get some scout from MGM to notice him. The rest of the cast (including Rogers) played their roles to the typical Old Dark House mystery movie stereotype. The film seemed to appear to be the first of a series with Talbot's character. It should have been bette