After discovering a dark window which appears on the wall every midnight two boys decide to investigate the mystery of a dark room behind the window.
| Directing | Olga Belyaeva | Director |
| Writing | Olga Belyaeva | Writer |
| Writing | Valeri Popov | Novel |
| Production | Stanislav Govorukhin | Producer |
| Camera | Gennady Karyuk | Director of Photography |
| Camera | Aleksandr Karyuk | Director of Photography |
| Sound | Artyom Vasilev | Music |
| Art | Sergey Fevralev | Production Design |
| Art | Irina Ochina | Production Design |
| Costume & Make-Up | Natalya Moneva | Costume Design |