It is a prequel to the long running Danish film series Olsen-banden, and an implementation of the concept used by the Swedish Olsen-banden remakes prequels Lilla Jönssonligan.

[5] The film is also a sequel to the Christmas calendar Olsen-bandens første kup from 1999.

[6] The film was a moderate success compared to the original series and the Swedish and Norwegian equivalents.

[9] In the year of 1958, Egon Olsen, the child genius, tries to escape the orphanage where he lives by setting himself up to be adopted by a rich couple.

Problems arise when it turns out that the couple are rocket scientists who want to use him as a test subject to be sent into space.