In London, the businessman James Nevill is the president of Amalgamated Industries and adores his wife Andrea. When he is betrayed by his uncle Cyrus McGowan in a risky business that will bankrupt the company, he decides to force his former friend Paul Kirby to kill him so that Andrea receives a life insurance policy to have a good life. However Kirby refuses and devastated with the proposal, he drinks too much disclosing the request in public in his girlfriend's bar. Out of the blue, James' uncle changes his position and the business succeeds. James tries to find Kirby to call off their arrangement but does not locate him. After three attempts of murder, James suspects that Kirby is not who is trying to kill him.