The gripping, enthralling conclusion to the award-winning Things Unseen romantic thriller series.

Dr. Cornelius O'Brien brought his new girlfriend, psychotherapist Neve Keane, to his home country of Ireland for a romantic getaway. There's just one thing they need to do first: a personal favor for the President of the United States.

It's supposed to be simple. Check on his goddaughter, who's studying abroad in Cork City. But with each step they take, Neve and Cornelius find themselves slipping, then sliding irrevocably toward a terrifying, clandestine abyss of human suffering.

Now, trapped by dark forces he can't escape, Cornelius must make a terrible choice: violate the Hippocratic oath or put Neve in imminent danger. Kept in the dark, Neve faces her own perilous dilemma: honor her promise to Cornelius or act quickly to keep an innocent young woman out of the hands of murderers.

Meanwhile, the patient is prepped... and the clock is ticking.