A possible concise summary is:
Two friends find a mysterious tape left by their aunt in her house. They watch a series of bizarre and creepy videos featuring a cartoon character named Amanda, who seems to be trapped in a world of violence and death. The videos also give them clues to unlock a safe and find a lottery ticket. Along the way, they encounter strange objects and events in the house, such as an oven, a piano, a coloring book, and a cat. They try to escape, but Amanda appears and attacks them.
Here are the extracted facts:
1. A person wrote a letter and put it in someone's shoe.
2. The letter said, "If you are reading this, it means you won't see me again until it's in the next life."
3. A tape was left for the characters in the attic.
4. Once they watched the tape, there was no turning back.
5. The characters found a winning lottery ticket.
6. The lottery ticket had to be cashed within 30 days.
7. A mouse trap and cheese appeared in the scene.
8. A potato, mushroom, and meat were mentioned as ingredients.
9. A tornado was mentioned as a possible cause for objects moving around.
10. There were articles about missing children and fathers.
11. A character mentioned being trapped and needing help.
12. A character burned down stores and trapped others.
13. A coloring book was found with a candy shop and meat store.
14. A lock was mentioned with a code.
15. A home movie tape was found with a Christmas theme.
16. A stray cat was mentioned, and someone went to help it.
17. A secret was shared about someone being out there somewhere.
18. The characters agreed to leave the location and stick together.
19. A donation box was mentioned, and someone offered to show them where it was.
20. Reebok kicks were mentioned as being in the donation box.