Detective Gil Beach of the NYPD has worked the violent city streets long enough to know his boundaries. Until he agrees to investigate a missing reporter last seen preparing to go undercover at Bellevue Hospital in the neighboring precinct. Working alongside the alluring Dr. Michele Peters, he finds more than anyone expected. Beach is drawn into a chilling world hidden underground in the hospital's labyrinth of old tunnels. Are terrible experiments being performed there? Who could be responsible in a medical facility as large as some cities? Can they be stopped? Beach will be pushed to his limits as a man and a detective as he fights forces that could destroy the hospital and much more.