Fresh out of prison, Blacky is back in the business he loves, arson. With the aid of his girlfriend Mavis, liberal amounts of gasoline and dynamite, Blacky has fun until he runs afoul of two nosey hunters.; 'Dr.' Holmes kills everyone who comes between him and his goal until a con he crossed spills the beans.; Joe and Sammy are hold up artist, but when Sammy gets the jitters, he kills people.; A bad cop turns on his mob buddy but a witness ensures he gets the chair.; Ann and Tom Duncan aka Mr. and Mrs. Murder.