Two men receive a call for help from an 18-year-old girl named Jennifer, who claims someone is living in her basement. The men, who have a YouTube channel, visit Jennifer's house to investigate. They find a large basement but initially don't find any signs of an intruder. However, after setting up cameras and reviewing the footage, they discover evidence of someone moving around in the basement. They try to block the person's access to the rest of the house by boarding up a room, but the person manages to break through the boards and the floor. The men and Jennifer flee the house, and they later report what happened to Jennifer's parents.
Here are the key facts extracted from the text:
1. Jennifer, an 18-year-old girl, lives alone in her house.
2. Jennifer's parents left for their winter home, leaving her alone for several weeks.
3. Jennifer started hearing strange sounds coming from under her floor.
4. The sounds included scratching, knocks, and breathing.
5. Jennifer sent a video of the sounds to the hosts of a YouTube channel.
6. The hosts visited Jennifer's house to investigate the strange sounds.
7. They checked the basement and found a hidden space behind a wall.
8. They installed cameras throughout the house to monitor the activity.
9. The hosts stayed overnight in the house to observe any unusual activity.
10. In the morning, they reviewed the camera footage and found evidence of someone moving around the house.
11. They discovered a hole in the wall that led to the hidden space.
12. The hosts barricaded the room to prevent the unknown person from escaping.
13. The next night, the person tried to break through the barricade but was unsuccessful.
14. The person then tried to break through the ceiling but was also unsuccessful.
15. The hosts took Jennifer to their home for safety and contacted her parents about the situation.
16. Jennifer's parents blocked the hosts' attempts to contact them.
17. The hosts were unable to find any information about Jennifer's parents or their whereabouts.