Hockey requires great commitment and even sacrifice from an early age. The thirteen-year-old players of a school hockey team, led by an experienced and perceptive coach, struggle with various problems of their age, from first loves to low self-confidence and disciplinary problems, but in the end they are all consumed by a sense of responsibility. The film touches on the dark side of the demanding sport, but it often acts childishly and simplifies the complex motivations of teenage boys.

Young blacksmith Mikeš sets out into the world for an adventure, accompanied by the miller's assistant Matěj and the boy Ondra. On their journey to rescue three enchanted princesses, the young men encounter a mischievous old hag, magic, and traps set by the Black King, but most importantly, they face their own temptations.

During a summer holiday, two boys discover an anti-gravity cannon in an old attic.