Alma really wants to have a sleepover in her room with her dog, Chacho, but when the mischievous pup hides Abuelo's lucky sock on the day of a big baseball game, Alma must find it before Chacho is sent to the doghouse. When Rafia wins the neighborhood spelling bee, Alma is chosen as her alternate for the city-wide competition. Rafia wants to practice for the big day, but Alma doesn't get it: What's so important about being an alternate?