Three schoolchildren accidentally find a magical portal in the Holy Trinity St. Sergius Lavra and are carried away into the past. Now their goal is to return home, and for this they need to go through the wonderful forest of the XIV century during the Tatar-Mongol yoke and the Battle of Kulikovo. St. Sergius of Radonezh will help the teenagers.
Unfortunately the movie Forgotten Miracle is not yet available on HBO Max.
| Writing | Evgeny Golovin | Screenplay |
| Production | Anton Smetankin | Producer |
| Writing | Maria Parfyonova | Screenplay |
| Directing | Andrey Kolpin | Director |
| Writing | Maria Parfyonova | Idea |
| Writing | Oleg Veselov | Screenplay |
| Production | Tatyana Tsyvareva | Producer |
| Writing | Evgeny Golovin | Idea |
| Sound | Sergey Bogolyubsky | Original Music Composer |
| Production | Darya Krokhina | Producer |
| Sound | Alexandr Billion | Original Music Composer |
| Art | Alena Romashkina | Production Design |
| Production | Marianna Galstukhova-Smetankina | Executive Producer |
| Writing | Evgeny Golovin | Creative Producer |
