The Colonel is a high powered businessman. On returning home, he calls on a doctor to take care of his wife, who is having pains. A couple of months go by, and the Colonel meets an associate on the street. The associate, John, begins to wonder over the woman’s death, and the possibility of the Colonel killing her.
Scotland Yard gets involved, and closer scrutiny shows signs the woman was poisoned. It’s only a few short steps to haul in the colonel, and bring him in to face justice.