Private detective Caitlin O'Reilly is left reeling after the appearance of the brother she never knew she had and the resulting deaths of several people she cares about. Pushed to the limits of her sanity, Caitlin's choices produce outcomes she could never have anticipated. Struggling with the repercussions of her decisions, Caitlin must find a way to heal newly broken relationships while continuing to hunt for the psychopath intent on playing games with her life. Desperate to keep the people around them alive and out of the hands of Noah Janssen, the employees of Nightwatch Investigations are suddenly faced with a new - and just as deadly - foe. Secrets rise from the ashes of the past, threatening to pull them all under as the rules of the "game" continue to change and spin out of control. How many more of Caitlin's loved ones will hear the whisper of death before she can bring their adversaries to justice? Will saving those she cares about require Caitlin to heed death's call?