9 year-old Luisa just moved to Mexico with her family. It is not easy for her to adapt to this new environment, as she shares to Keza, her beloved pet-lizard. When Keza escapes, he will drag Louisa into amazing adventures where she will discover Mexico's culture and inhabitants. One encounter after the other, Louisa will find out that Keza might be a reincarnation of the divinity Quetzalcoatl!