After Dan Syrles kills a man who threatens to break up his marriage, Jim Ranson, who believes in the sanctity of the home, helps him escape. Years later, Jim, rising to power and wealth in an eastern city, marries Dorothy, his best friend's daughter, but while he is increasingly involved with business she becomes lonely. While motoring, she meets Rex Gordon, a clever crook who woos her, but when rejected he plots to steal her jewels. Warned of the affair, Ranson sets a trap for Gordon but is prevented from murder by Syrles, posing as a detective. Ranson admits his mistake and is reconciled to his wife.
