Final answer:
Amélie finds a box with childhood treasures in the wall and decides to return it to its rightful owner, setting her on a path of doing good deeds anonymously.
Step-by-step explanation:
In the film Amélie, the protagonist Amélie finds a small box containing various childhood treasures hidden in the wall of her apartment. Instead of keeping the box for herself, she decides to track down the owner and return it. This task sets her off on a series of benevolent adventures around Paris, enhancing the lives of others with her imaginative and quirky ways of doing good.
After some detective work, she finds the owner, Dominique Bretodeau, and contrives to reunite him with his box without revealing her identity, witnessing from a distance the emotional impact this reunion has on him.