An ordinary city boy comes with his dad to visit his grandfather in the village. There he is met by not very friendly local guys and a girl with whom he immediately falls in love. Grandfather constantly tells funny stories about his glorious military past, which open up a completely new, magical world for him, teach him the main values ​​​​of life and make a real man.

Katya is a successful lawyer and the best in her field. She makes a deal with her conscience and helps to put an innocent person in jail for a large sum. Having learned about Katya's actions, her son runs away from home. Together with his friends from the sports section, he decides to administer justice himself. And now the mother sets out to find her son, trying to fix everything.

A space pirate from the distant Barracuda galaxy, possessing amazing superpowers, comes to Earth. To escape the punishment of harsh cosmic law, the alien takes on the guise of a quiet schoolboy, Mitya, and begins searching for a repeater left on Earth in time immemorial to send a distress signal to his team. He accidentally saves the girl Kristina, who is being bullied by her classmates, and finds himself in the same company with the young hooligan and bully Kolya. Now their common task is not only to escape from their alien snake-people pursuers, but also to defuse a bomb that could destroy the entire solar system. But in order to save the Earth, you first have to understand that only friendship and self-sacrifice can resolve problems on a galactic scale.