Four years ago, Igor, Olya's father, fell in love with another woman, Tatyana, and left his wife. Tatyana has a son, Dima, whom Igor is adopting. And one day Igor can not meet Olya, and sends Dima instead. Children get acquainted. There is a paradox. Olya hates Dima and his mother, he is friendly. Children have to cross the line of love and hate.
| Actor | Role |
|---|---|
 Nikita MikhajlovskyDima | Dima |
 Margarita SergeyechevaOlya | Olya |
 Aleksandr KalyaginIgor Vladimirovich, Olya's father, surgeon | Igor Vladimirovich, Olya's father, surgeon |
 Margarita TerekhovaVera, Olya's mother | Vera, Olya's mother |
 Ada RohovtsevaTatyana, Dima's mother | Tatyana, Dima's mother |
 Lyubov SokolovaElizaveta Petrovna, Olya's grandmother | Elizaveta Petrovna, Olya's grandmother |
 Anatoliy KuznetsovSergey Kolobov | Sergey Kolobov |