How to Pull Out a Whale's Tooth (1977)

A family comedy about a venturesome schoolboy Vasek and his search for his father, supposed to have perished during a mountaineering expedition in the Himalayas. The story confronts the adult world with that of the boy, his dreams and desires - a world which simply refuses to accept things that goes against his ideas of what's good and fair - Till the moment when one day during holidays, Vasek introduces Lubos, a brave member of the mountain rescue service, to his Mum.