Here is a concise summary of the provided transcript:
**Setting:** A school, after hours
**Characters:** A group of students (including Dima, Seryozha, Natasha, and others) and a teacher (Alexandra Yuryevna)
**Summary:**
* Students are at school after hours, having skipped a lesson. They're filming a video for their YouTube channel.
* They discuss staying overnight in the school, despite initial hesitation due to a security guard.
* The group explores the teacher's room, finds a mysterious mirror, and jokingly tries to summon the "Queen of Spades" (a reference to a Russian folk tale).
* As the night progresses, they experience strange occurrences (e.g., doors slamming shut).
* The teacher, Alexandra Yuryevna, confronts the students, having discovered them. She scolds them for skipping class and being in the school after hours.
* The video ends with the students apologizing and the channel's outro, thanking viewers for watching.
Here are the extracted key facts in short sentences, numbered for reference:
1. **Location**: The scene is set in a school, with mentions of classrooms, a cafeteria, and a teacher's room.
2. **Time**: The events unfold after school hours, with specific mentions of:
* Lessons being over
* The school closing in an hour (initially)
* The time being around 10 o'clock in the evening (later)
3. **Characters**:
* **Seryozha** (also referred to as Sergei): A key participant in the events.
* **Dima**: Another main character who interacts closely with Seryozha.
* **Natasha**: An excellent student, mentioned as a counterpart to the group's behavior.
* **Alexandra Yuryevna**: A teacher or authority figure who interacts with the students.
* **Other students** (e.g., Anya, Igor, Tim, Ulyana, Veronica): Part of the group or mentioned in conversations.
4. **Events**:
* **Truancy**: Students skipped the third lesson to go to the cafeteria.
* **Staying after hours**: The group decides to stay in the school at night.
* **Exploring the school**: They rummage through the teacher's desk and find a mysterious item (initially thought to be a scary black box, later identified as a light mirror).
* **Summoning game**: They attempt to summon the "Queen of Spades" using a mirror.
* **Getting locked in**: The group finds themselves locked in the school/teacher's room.
5. **Miscellaneous**:
* **A video**: Mentioned as something the group watched prior to the events, possibly related to their decision to stay in the school.
* **A challenge or game**: Implied throughout, with rules and consequences (e.g., beating someone if the Queen of Spades is summoned).
* **Consequences and punishment**: Discussed, with the teacher threatening to call parents and implying previous punishments for truancy.