Millionaire Victor Danemore, living on the French Riviera, dies suddenly of a heart attack. His secretary, Dave Bishop, wants to know more about his employer's life. Surprisingly, not even his young wife knows anything about her husband's background or how he earned his fortune. Clues lead Bishop to Vienna and Stockholm, where he learns that Danemore was blackmailing people who cooperated with the Nazis during World War II.
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.
A journalist is writing a critical article about the prison service in Sweden. The magazine's editor in chief does not agree with him and removes the article. The journalist then plans to fake a crime to gain knowledge about life in prison.
