Mina is a nine-year-old girl who faces challenging situations typical for children of her age. Just like a character in a video game must solve a certain problem to advance to the next level, in every episode Mina goes through new challenges that she has to figure out while she advances in a game called growing up. In each episode, Mina has assistance from her imaginary friend Strahinja, a knight from a video game, who reminds Mina that every problem can be solved in several ways and that it is always important to consider all the available options. In the episode presented, Mina is faced with a problem of peer violence that targets her best friend Joca, who is being bullied at school, but also her older brother Kole, who becomes a victim of cyberbullying.