Teenager Yura goes to stay with his grandmother to spend his summer vacation by Lake Baikal. One day, he finds a mysterious stranger on the shore who has lost his memory.
| Actor | Role |
|---|---|
 Kirill KäroScientist | Scientist |
 Vladimir AfanasyevLyoha The Saint | Lyoha The Saint |
| ААрсений ЯковлевYura | Yura |
| EElena KonstantinovaGrandma | Grandma |
| KKonstantin OzerovNot listed | Not listed |
| РРоза ИвановаYulya | Yulya |
| ВВалентина ОрловаNot listed | Not listed |
| ААнна ДружининаNot listed | Not listed |
| ААндрей ВинокуровNot listed | Not listed |
 Yelena IvochkinaNot listed | Not listed |
| ММихаил ГригорьевNot listed | Not listed |