Fan of sophisticated criminal mysteries private detective amateur Lamont Cranston nicknamed Shadow again goes on the warpath against crime. It prevents an attempted robbery district attorney's office. When the police arrive the scene, Cranston forced to impersonate a prosecutor. At this time, the office received a phone call from a wealthy

Shadow - a man perfectly mastered the fantastic ability to hide in the shadows disappear, distracting, and take other people's appearance. His real face and name are unknown. In the fight with the criminals he helped several people who owe him my life, but who also did not know about it and interact with it, leaving a letter in the mailbox