- The story of Manolo's parents: Manolo's parents are two skeletons, who died in a tragic accident. They appear to Manolo as ghosts and give him advice throughout the film.
- The story of Xibalba: Xibalba is the ruler of the underworld and is determined to win Manolo's soul. He challenges Manolo to a series of trials, and if Manolo loses, he will be trapped in the underworld forever.
- The story of Maria: Maria is a beautiful woman who Manolo is in love with. She is also caught in a love triangle between Manolo and his best friend, Joaquin.
- The story of the Candlemaker: The Candlemaker is a mysterious figure who creates candles that represent people's lives. He plays an important role in the film's climax.