Little Petey is a shy boy, unable stand up for his rights. One afternoon he comes home agitated, carrying a football under his arm. His big sister Nina immediately notices that something must have happened on the pitch. Petey is reluctant to study, do his homework or play the flute and refuses to read a fairy tale about Peter Klepec, set as a home assignment. He would much rather prefer to play a game in which he would be a true hero. Using her imagination and children games, Nina takes him out on a fantastic journey, helping Petey to enter the heroic tale of Peter Klepec and acquire extraordinary strength to overcome his greatest fears. During his subsequent trials and tribulations, Petey learns to use his physical strength to good purpose and resolve deadlock disputes that occur in the playground.
Peter Klepec, a poverty-stricken and frail shepherd boy, is a popular legendary Slovenian hero, who acquires magic power. Many are familiar with the tale of Peter Klepec by France Bevk, as well as with Marjan Manček iconic illustrations, and other portrayals of the hero.The staging of Peter Klepec or How to Become a True Hero is based on games that children play nowadays, as well as on a re-think of the Peter Klepec legend, highlighting the motifs of sincere desire come true, and the ethical use of physical strength, as this is a key message delivered by one of the few Slovenian heroic figures, Peter Klepec.