Ferris the fashionista, Fiona the brainiac, and Chelsea the comedian, are the best of friends. When Professor Sycamore allows them to each choose a starter, the girls are overjoyed. They immediately decided to get together in a group of Trainers, experts of the art of Triple and Rotation Battles. But as each girl discovers her own calling, the ties become stretched to the breaking point. And they don't know if they'd rather cut the rope instead.