Rosalina and her mother, Ivé, have a bond like no other. When Ivé’s condition worsens, Rosalina is set up to live in Puerto Rico with her grandmother. Ivé tells Rosalina stories about her childhood in the Island of Enchantment where coquis sing and caves have magic. After drifting off to sleep, Ivé and Rosalina find themselves in the magical Camuy Caves. With the help of the cave critters they meet along the way, they try to find the strength and wisdom to defeat the cunning Reina Araña, the scorpion spider.