July 1st, the most dangerous day of the year... A gripping behind-the-scenes drama of four women who face life and death every day… New ER doctor Lydia Fiore finds herself losing the wrong patient-the Chief of Surgery's son. To save her career, Lydia must discover the truth behind her patient's death, even if it leads her into unfamiliar-and risky-territory, finding new friends, new love, and new enemies who will stop at nothing to silence her. Drawing from her own experiences as a pediatric ER doctor, New York Times bestselling author CJ Lyons reveals the secrets of an urban trauma center in a novel Lisa Gardner called "a pulse-pounding adrenaline rush" and Publishers Weekly proclaimed a "a breathtakingly fast-paced medical thriller."