One, two, one, two... mic check. Twelve-year-old Ben loves not only music above all else, but also food and cooking. And it shows on him, too. But when he develops a crush on his classmate Klárka one day, he decides to do something about those extra pounds. On his journey toward his dream physique and Klárka's heart, he's helped mainly by his bandmates and his caring mother. An animated film by director Kristina Dufková, based on the bestselling book by Mikaël Ollivier, humorously follows the first struggles, loves, and pitfalls of adolescence, accompanied by energetic songs.