The video is about a challenge between two people where the winner will get to be the "undisputed king/queen of the pool" and get to command the other person for a week. The challenge involves doing various tasks underwater, such as resisting for 30 seconds, touching the bottom of the pool, and singing a song. The tasks are chosen randomly from cards, and the person who completes the most tasks wins. The video shows the contestants trying to complete each task, with some successes and failures. In the end, one of the contestants emerges as the winner and is declared the "undisputed queen of the swimming pool".
Here are the key facts extracted from the text:
1. The challenge is to complete tasks underwater.
2. The winner will be the "undisputed king of the pool" and will get to command the others for a week.
3. The participants have to draw a card with a challenge written on it.
4. One of the challenges is to hold one's breath for 30 seconds underwater.
5. Another challenge is to touch the bottom of the pool.
6. A challenge is to sing a song underwater.
7. One participant has to make slime underwater.
8. A challenge is to get dressed underwater, including putting on a dress and a hat.
9. The participants have to wear a mask while underwater.
10. The challenges are being filmed and will be edited into a video.
11. The video will be posted on YouTube.
12. The participants are in a large swimming pool.
13. The pool has a step or pavement at one side that can be used to stand on.
14. One of the challenges is to do a handstand underwater.