In a world where God is a drug, one woman has to getsober. Lyda Rose was one of the neuroscientists whohelped create Numinous, which produces the illusion of apersonal deity, but since unwittingly overdosing, she hasbeen haunted by her own visions of an angel she calls Dr.Gloria. After a stay in an asylum, she thinks she's put itbehind her. Then others start overdosing. Who is stillproducing the drug, and why?