Two missionaries visit a house in a rural community in Mexico. When they enter, they are expected with lunch ready: chicken broth. The missionaries are not excited about this and one of them takes advantage of the fact that the owners of the house are not paying attention to get rid of his soup, which will reveal the true objective of the townspeople.

Rogelio (8) wants to unravel the mystery of death. When his parents send him off to Yucatán, he meets the Xibalba Monster, an old hermit who is sick but has made a deal with the Lords of the Underworld to remain amongst the living.