"With Pittsburgh snarled by a New Year's Eve blizzard and Angels of Mercy Medical Center cut off from the outside, staff and patients are at the mercy of armed gunmen. One of their hostages is Dr. Gina Freeman, who is holding vigil over her wounded fiance, Detective Jerry Boyle. Trapped inside with her are ER charge nurse Nora Halloran and fourth-year medical student Amanda Mason, on the last night of her rotation--if not her life. Stranded outside the hospital walls is ER physician Lydia Fiore, whose past holds the secret the hit men are willing to kill for. With patients, staff, and loved ones held captive, the power out, and cold-blooded killers in control, it's possible no one will live to see the New Year ..."--Cover, p. 4.