David 'Richard Diamond' Janssen finds himself hired by Harry Harvey, the manager of up & coming singer Jack Cassidy, to protect him. He's being extorted by Damian O'Flynn, and Harvey wants to make sure nothing happens to Cassidy. But when someone lures Cassidy into an abandoned alley and takes a shot at him, killing Harvey instead, Janssen realizes it might not be O'Flynn he and Cassidy have to fear.
Another crackerjack episode directed by future Dirty Harry movie 'Magnum Force' director Ted Post. It has some great hard-boiled narration and one-liners, and sees Janssen trade quips about hamburgers with a femme fatale, whom he ends up telling to go choke on them! There's quite a bit of misdirection going on, but things are neatly wrapped up at the end of this fast-paced 25 minute episode. Richard Diamond saves the day once again. Always fun to watch this series!