After their fathers death, two brothers dispute the inheritance: the local movie theater known as Linterna Mújica. Their dispute may or not bring the town to its apocalypse, but it will for sure turn it upside-down.

Leo San Juan, an insecure child of nine years old, lives eternally frightened by horror stories that Nando tells his older brother. Within these stories it is 'The Legend of Nahuala', according to which, an old abandoned Casona is possessed by the spirit of an evil witch known as the Nahuala.