Dante struggles to reconcile his dreams with reality, while his relationship with Nel is tested. Then the mysterious Adam appears. In the background: the return of Korek, new feelings for Cegła, and the question of whether loyalty, friendship, and love can survive in the adult world.

The rebellious IIIB crew and their unconventional teacher Jan Sienkiewicz are back! Love, troubles and school dramas make up everyday life of Dante, Nel and the whole gang. It is joined now by a young mathematical genius - Korek. The guys intend to teach him how to pick up girls, but it turns out that their know-how is rather theoretical…

Jan Sienkiewicz, a writer and lecturer who was expelled from university, takes a job at a Warsaw high school. Under his care comes the school's famous class of rebellious and knowledge-resistant outcasts. IIB are students from hell, and their future seems doomed. But Sienkiewicz, armed with literature, enthusiasm and a lot of unconventional ideas, will challenge the group doomed to exclusion. Will he be able to tame her and save her? A story about friendship, love, school madness and that everyone deserves another chance.