A possible concise summary is:
The speaker is a YouTube blogger who likes to explore abandoned places and tell scary stories. She visits an old camp that was burned down in a fire and meets a boy who claims to be alive but trapped in his own world with other children and a cruel director. The boy helps her escape from the director and return to her world, but she wonders if they can still see her or follow her. She asks her viewers to share their camp stories and subscribe to her channel.
Here are the key facts extracted from the text:
1. The narrator, Lena, has a YouTube channel where she shares scary stories.
2. Lena has 4 million subscribers on her channel.
3. She also has a Telegram channel where she shares additional content.
4. Lena had health problems as a child, including pneumonia four times.
5. Her mother sent her to different sanatoriums to recover.
6. Lena was bored in the sanatoriums and often escaped to explore the surrounding area.
7. One day, Lena discovered an abandoned camp called Camp Ogonyok.
8. She decided to explore the camp and take a camera with her.
9. Inside the camp, Lena found a dining room, a stage, and a bedroom.
10. She discovered a book on a nightstand that appeared to be a diary or journal from the camp.
11. The book contained a group photo of children and counselors, but the children were not smiling.
12. One of the counselors, a tall woman in a black robe, looked stern and serious.
13. Lena heard strange noises and saw a boy who looked like he had been burned in a fire.
14. The boy told Lena that he and the other children had died in a fire, but they were not ghosts.
15. According to the boy, the camp's director, the widow, had kept them trapped in the camp.
16. The widow was looking for Lena and would not let her leave the camp.
17. Lena tried to escape, but the widow and the counselors chased her.
18. Lena managed to escape through the gate, but not before the widow saw her.
19. Lena wondered if the widow could enter her world.
Note: Some of the facts may be part of the scary story being told, so they may not be "real" facts.