The first season takes place in the human world and focuses on a young girl named Leah, who is friends with a pair of twin genies in training named Shimmer and Shine. Leah's genies grant her three wishes every day, but they often mess up. Each episode features Leah working together with her genies to solve the problems they inadvertently cause, all while keeping Shimmer and Shine a secret from her next-door neighbor Zac.