For the past twenty years, Dr. Daniel McNamara has been a world-renowned surgeon by day. By night he's an infamous serial killer known as the Butcher of Boston. Now, there's a new killer emerging within his territory. Medical student Kimberly Scott has seen the stories of the Butcher and has come to embrace her own dark side. It isn't long before the two are trading gruesome love notes through their crime scenes. However, neither knows yet just how close the object of their affection, and obsession, is.