In April 2012, Mika, a 6-year-old girl, is diagnosed with leukemia. This documentary tells the story of her journey to recovery, narrated by Mika, her mother, father, and doctor. Through a colorful and unique diary, it introduces children to the world of hospitals with humor and poetry, making the complex medical environment more relatable and understandable. The film highlights Mika's strength and the support of her family and medical team, offering a heartwarming and educational perspective on a child's experience with illness and healing.