The story of America's most notorious gangster mother is chronicled in this crime drama. The tale starts in Oklahoma during the Depression. It is she who encourages her sons to become criminals. So sage is her advice, that other infamous mobsters such as Dillinger, and Machine Gun Kelly come to her for advice. She and her outlaw progeny go on the lam until the police finally corner her in her richly appointed Florida hide-out. A bloody shoot-out ensues.