In the United States, in child fitness downtown Louisville, a little girl fighting her illness dancing. Audrey is 6 years old and suffers from anemia Blackfan-diamong, a rare disease. To overcome her treatments she practices Zumba. This rare genetic disease affects one child in 150,000 and is accompanied by defects, difficulties and physical development of chronic fatigue. When it is necessary to start dancing, the girl is full of energy and clear rhythm in the skin.