Eleventh-grader Mishka Frid saw on the bus a girl with unusual eyes, like those of an alien, and for a long time could not forget the stranger. Having met her twice more by chance, he realized that fate had brought him together with twin sisters, one of whom lived in a boarding school for children with psychological problems. Why does the beautiful Larisa, with whom Fried fell madly in love, hide the existence of her sister Alice?