Rebecca, a gifted teenage pianist, has turned to meth to cope with the pressures in her life. Her father, who has been reluctantly supporting her habit out of fear of losing her, requests William's help. William and his team face an unexpected challenge in Rebecca's mother, whose control issues have influenced her daughter's neuroses. As Rebecca spirals out of control--"dating" a 50-year-old man for drug money and stealing from neighbors--William realizes that, in order to save her, he must first heal her family.