Albert Cowles

The doctor prescribes fresh air for a man with a bad cold. His wife is determined to comply with the doctor's orders even if it kills him.

During a dinner party at the Brookfield family estate, private detective Craig Kennedy relates a story of one of his unsolved murder cases. What Kennedy knows, and the other guests do not, is that the person who was the killer in the unsolved mystery is in the room, and Kennedy makes plans to expose him.