Young Greasers, known as Raggare in Sweden, gather at a café outside Stockholm. Roffe is the toughest greaser and kidnaps his girlfriend Bibban, when he discovers that she is out riding with other guys. Bibban falls in love with the sensitive Lasse.

When Eva-Lotta climbs the roof of moneylender Gren's house. Through a window she overhears a turbulent conversation about an IOU. A few days later she finds Gren dead.