Olesya, a graduate student of the Department of Archaeology, returns from another expedition to her fiancé Stas. The girl dreams of leaving a trace in history, of finding something truly valuable. Her parents-archaeologists, who died a few years ago, dreamed of the same thing. Despite her feelings for her lover, she is not ready to give up her goal, but Stas is categorically opposed to his wife being away from home for months. He convinces Olesya that her parents wanted their daughter to be happy and create a family. On the eve of the wedding Olesya learns that Stas's parents will not be able to come to the party and suggests that they visit them at his hometown in the village of Kovylevka. It turns out that there is a real Scythian mound, located on the land of the local horse breeder Grigory, who intends to build a new stable on the site of the mound. Olesya tries her best to prevent him from destroying a valuable archaeological monument.