Stella is the twelve-year-old sister of beautiful Katja, a seventeen-year-old whose dream is to become a professional ice skater. Stella sees her as a role model, even as she begins to harbour feelings of jealousy towards her because she would like to have her talent, her beauty and the attention of her instructor. She discovers that Katja is hiding a secret: she is suffering from a severe eating disorder. Stella wants to tell their parents, but Katja makes her stay silent. But this is too much weight to carry for a girl of her age.
