Tanya, a young educator, accompanies twelve teenagers to a theatre festival in Sochi under the supervision of Maria Genrikhovna, an experienced head teacher. Initially, there's little sympathy between the two teachers. However, they discover a deeper bond in much more fundamental things: aversion...
The sincere wish of a teenager, with the help of a best friend, to wish mom happy birthday live, turns into an irreparable human tragedy and changes the fate of children.
