SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
A Costume for Nicholas Plot Summary and Synopsis
Nicolás is a 10-year-old boy with Down syndrome. Every year, his mother made him a disguise. He was a monkey, a brave pirate, a dragon giant. Unfortunately, his mother dies and Nicolás goes to live with Mia and Tomás, his loving grandparents, and his cousin David, who suffers from nightmares. Nicolás keeps an old man trunk with all its magical costumes. With them, he will undertake an adventure to save his cousin of his nightmares and, incidentally, to a whole kingdom submerged in chaos.
Source: Wikipedia (CC BY-SA 3.0).