They once attended the same school: the intelligent and beautiful Sveta Gnatyuk and the unremarkable average student Seryozha Mamaev. A typical story – he was desperately in love with her, but she paid no attention to him at all. 20 years passed. No one calls Mamaev dismissively "Gray" anymore: he is the owner of a large agricultural holding, single, and has no shortage of women. Svetlana lives a much more modest life, is married, happily so, and has children. A chance encounter – and Sergei realizes that he has loved only Svetlana his whole life, and he needs only her. However, just like in their youth, Svetlana does not reciprocate his feelings. But this time, Sergei will not give up: his manic desire to win the woman triggers a chain of tragic events...