Murder in the passage yard

A corpse of a shot young woman, a widow, was found in a rented house. There are all signs of suicide: a closed door, a gun in the hand of the deceased ... However, the doctor who examined the body in place strongly doubts this. After all, the gun is clamped in the right hand, and the wound is on the left side of the head. The doctor reports his suspicions to the inspector Jeppu, and he, in turn, turns to his long -standing acquaintance, the famous detective Erkul Poiro. Jepp knows: an amazing Belgian loves this kind of riddle. Poirot also does not believe in the suicide version, especially when he finds out that fingerprints were previously carefully erased, and a large sum of money disappeared from the house. But who then killed? And Poirot begins to make a circle of suspects