Dr. Cassandra Hart is fighting a war. And losing. A deadly drug epidemic, a killer stalking her hospital. Meet the ER doctor who never gives up.

Cassie's Pittsburgh ER has been deluged by young patients who have overdosed on a new drug, FX. After Cassie discovers that the source of the FX on the streets is her own hospital, her best friend is killed, and Cassie's life is threatened. She is forced to place her trust in Detective MickeyDrake.

Drake's irascible charm eventually penetrates the barriers Cassie has built around herself, and their relationship progresses from professional to passionate. After Cassie discovers the truth behind the thefts, she and Drake must confront a killer. In the end, their only weapons are their new-found love and the courage it gives them.

Written by a pediatric ER physician, Nerves of Steel combines gritty realism with the adrenaline rush of the ER. New York Times bestseller CJ Lyons uses her insider knowledge of life behind the scenes to reveal the hidden truth of the medical world: No one is immune to danger.