The lives of Erik Lanshof and five of his closest friends take different paths when the German army invades the Netherlands in 1940: fight and resistance, fear and resignation, collaboration and high treason.
This picture is a mixture of musical, adventure, science fiction and comedy with the popular singer Bobbejaan Schoepen and several famous Flemish actors.
Hazeke -the daughter of innkeeper Tapmans- marries Paul - the sun of a rich industrialist called Conti. Hazeke learns that her husband used to hang out a lot with a certain Mary.
As Alex is about to get married, his father Charles sets off for a secret mission in Germany. Hilarity ensues when their personal contacts start to interfere with one another.