On the Mexican Day of the Dead, young Chiqui longs for his mother, who departed two years ago to venture into The Beyond, a fantastical realm of the deceased. This mystical place holds an annual talent competition to name the Greatest Singer Beyond the Beyond. Chiqui’s mother, Julieta, is a luchadora with aspirations of becoming the most famous singer ever. Eager to join his mother on stage during her performance, Chiqui embarks on a journey with his father, the formidable luchador Papa Diego, to discover The Beyond and reunite their family.