被解雇的报社女记者安·米歇尔伪造了一封信给报社,署名“约翰·杜伊”(即无名氏),信上表示对这个充满恶瘤的社会充满失望,决心要自杀。报社为此不得不重新聘用了安来调查此事。然而,没想到此事最终引发了一场政治运动……
Arthur Ferguson Jones (Edward G. Robinson) and Wilhelmina Clark (Jean Arthur) work at the same accounting firm. Jones turns out to look exactly like the notorious bank robber "Killer" Mannion (also Robinson) and is apprehended by the police.
After his true identity is confirmed, the district attorney gives Jones a letter identifying him, so that he can avoid the same trouble in...