An elderly couple are forced to separate themselves from each other after their children refuse to take both into one house.
Ordinary man-in-the-street Arthur Ferguson Jones leads a very straightforward life. He's never late for work and nothing interesting ever happens to him. One day everything changes: he oversleeps and is fired as an example, he's then mistaken for evil criminal killer Mannion and is arrested. The resemblance is so striking that the police give him a special pass to avoid a similar mistake. The real Mannion sees the opportunity to steal the pass and move around freely and chaos results.
Physician Carole Nelson, suspected of having ties to notorious gangster Joe Gurney, must prove her innocence or the Medical Board will revoke her license. When Gurney seeks her out for treatment after being shot, it could be the break Nelson needs. Now she has a chance to use her medical know-how to outwit Gurney and his goons and reestablish her professional reputation.
