Catrina and her family move to Bahía de la Luna, a small town on the Northern California coast, hoping that the cool, salty air will help her little sister, Maya, who suffers from cystic fibrosis. Cat is not happy about leaving her friends, and becomes even more upset about the move when a neighbor informs the sisters that the town is inhabited by ghosts, and that Dia de los Muertos-- a time of year when ghosts reunite with their loved ones-- is...