The film begins in 1985 in a military garrison, where a fighter aviation regiment is stationed. Two tenth graders - the daughter of the deputy commander of the regiment, Zhenya Lugovaya, and the son of the waitress of the flight canteen, Vanka Kotov - are covered with a feeling of first mutual love. Harsh dramatic events separate the characters, their life paths diverge, and they lose each other for many, many years. Vanka Kotov becomes a test pilot, Zhenya Lugovaya becomes a military surgeon. One day, fate brings the heroes together again...