Some students gets locked up in their school and is stalked by a killer. But as time goes by, it turns out that there is more to this than it seems.
A young Danish guy, Nils, is visiting Morocco, where he meets the 16-year-old Berber girl Leïla. It marks the beginning of a great, all-encompassing passion. Leïla must defy her family to be with Nils, and their love has big consequences.
Egon escapes from the psychiatric ward, where he has been incarcerated since the gang's last coup. Keld and Benny pick him up, and when Egon, as always, is planning the big heist, the Olsen Gang is once again on the move.