Barbara Covington has one more chance to save her daughter from a devastating addiction, by staging an intervention. But when eighteen-year-old Emily disappears on the way to drug treatment - and her interventionist is found dead at the airport - Barbara enters her darkest nightmare of all. Barbara and her son set out to find Emily before Detective Kent Harlan arrests her for a crime he is sure she committed. Fearing for Emily's life, Barbara maintains her daughter's innocence. But does she really know her anymore? Meanwhile, Kent has questions of his own. His gut tells him that this is a case of an addict killing for drugs, but as he gets to know Barbara, he begins to hope he's wrong about Emily. The panic level rises as the mysteries intensify: Did Emily's obsession with drugs lead her to commit murder - or is she another victim of a cold-blooded killer?