INSTANT NATIONAL BESTSELLER In this riveting novel from international bestselling author Daniel Kalla, a Vancouver doctor and a detective face the deadly consequences of the opioid crisis as they track down the supplier of fentanyl that landed a group of teens in the ER with critical overdoses.Deliberately or not, they must've been poisoned...And if it happened to them... There will be others. Dr. Julie Rees, a toxicologist and ER doctor, is stunned...