A fateful accident predicts the future of the main character, Andrey. Meeting a lonely girl Lilya transforms his life. She is so different from the women Andrey knew before her. Lilya lives in the world of grandmother's dreams and believes in miracles. The incorrigible cynic Andrei is madly in love. He wants to become her husband, but Lilya postpones the wedding, not daring to say that a heart defect is unlikely to allow her to have children. They just live and love, not thinking about tomorrow...