Dr. Cassandra Hart is fighting a warand losing. Her Pittsburgh emergency room has been deluged by young patients overdosed on a new drug, FX. When she discovers that the latest OD was caused by FX from her own hospital, she becomes obsessed with finding out how the tablets made it to the streets. But the stolen FX is only the tip of the iceberg. As an unknown killer resorts to murder to cover up an even larger secret, Cassie soon finds herself a targetas well as the polices number one suspect. Detective Mickey Drake is torn between his desire to halt the drug epidemic and his growing attraction to Cassie. Hes never met a woman like her before. Cassies dedication to her patients both intrigues and infuriates him as she delves into the world of homeless teenagers and the underground rave culture in search of answers. Like Tess Gerritsen or Tami Hoag, Cathryn J. Lyons tells a gripping story laced with intense suspense and passion.