This documentary follows a small number of British people with an incurable genetic disease called Prader-Willi syndrome. This rare disorder makes the sufferer unable to control their eating habits. Prader–Willi syndrome is a rare genetic disorder in which seven genes (or some subset thereof) on chromosome 15 (q 11-13) are deleted or unexpressed (chromosome 15q partial deletion) on the paternal chromosome. The film is set in Gretton House, near Kettering in England, which is a government-funded care home deliberately constructed to assist ...