British MP Sir Robert Chiltern is known for his honesty and integrity. To match his wife, Lady Chiltern, who is an example of high morality. However, the past of Sir Robert, as it turned out, is not at all perfect. Famous socialite adventurer Laura Cheveley, with evidence of his long-standing dishonorable act, is trying to blackmail Chiltern. Not only Sir Robert's reputation and career are at stake, but also family happiness. His best friend comes to the rescue — Lord Goring.