A routine investigation of a wealthy man's prospective son-in-law stirs up a storm of violent reaction. This routine background check turns dangerous for Pete and Mac when local police, the FBI and the mob all want to stop their investigation. It's a rough night for Pete. He's beaten and robbed in New York. When he returns to California he is kidnapped. And it all started when Pete and Mac thought they had a routine case looking into the background of a young man who wants to marry a rich man's daughter. Don Porter plays the millionaire whose hiring of Pete and Mac lead them straight into a hot spot that involves the mob and the FBI.