Juan y su prima Luz quieren verificar si es verdad la existencia de Chupacabras, el monstro que su abuelo vió cuando era jóven. After hearing about their grandfather's boyhood encounter with the Chupacabras, a green, winged creature with glowing eyes, Juan and his cousin Luz decide to find out if the story could be true.

Everybody is fighting in sixth-grader Maximilian's world as his elderly aunts battle for the Queen Bingo trophy, his masked uncles wrestle for the tag-team title of the world, and his sweetheart and the "new girl" battle for Max's heart.

"Little Damian is getting ready for bed, and the spooky monster called La Llorona is hollering up a storm outside his bedroom window. But he's not afraid. "You can't scare me, silly Llorona," says Damian, 'and neither can your monster friends!' When evil-looking witch owls fly around his room and little green duendes, or goblins, make creepy noises under his bed, he's still not frightened. Not even a little bit. The Donkey Lady, a chupacabras and...