Makayla, a 16-year-old girl, wishes one night under the moon that she had never existed and wakes up in the body of 13-year-old Mateo. She faces the challenge of living in someone else's life while searching for answers. Meanwhile, Mateo, wishing for someone to understand his struggles, ends up in his best friend Luna's body. Both must navigate their new lives and try to figure out how to return to their own bodies.