Bitter that she was robbed of her childhood, at age 18 Lydia Lawson severed all communication ties with her alcoholic parents. Her father commits suicide one year after she leaves home. 25 years later she receives word that her mother is dead and that she has inherited more than just the family home. Lily, a 23 year old morbidly obese step-sister with Prader-Willi Syndrome is found in the basement, too big to move out of the home. Lydia sets out on a life-changing journey trying to help Lily, trying to find Lily’s father and trying to find herself. In the interim, she falls in love with Tommy Porter who remains with her right up to the climatic, mind-blowing reveal at the end.