Oskar Steingrimsen

The Olsen Gang becomes millionaires. Unfortunately for the gang, their arch-enemies, the King and the Jack, are planning to steal the money for themselves.

Egon Olsen is commissioned to help a baron with an insurance fraud. As the dividend can finance Basse's wedding, even Valborg accepts the plans.

Based on Oslo Nye Teater's revue "Jubileumsrevyen 7 1/2" (The 7 1/2 Anniversary Revue), which premiered on August 19, 1974. Begins with interviews with Torvald Maurstad, Arve Opsahl, Aud Schønemann, and Rolf Just Nilsen. Interviews by Knut Bohwim. Followed by preparations for the revue.