As part of the gymnasium, the TNT band, led by the young Đorđe Lesendrić, the son of the popular musician Kiki Lesendrić, plays in the cultural center. In the dance section, they train their best friends Milica, played by Mirka Vasiljevic and Ivana, played by Andjela Jovanovic, the daughter of the acting couple Gagi Jovanovic and Branka Pujic, who also plays in the series. She is Professor Goca. Besides them, among the famous actors is Jovana Balašević, who plays Mirko's ballet teacher Irina. The series shows that there are also teenagers who do not smoke or drink, but are ready to change the world around them.