Dublins Harmon Penitentiary is Europes most dangerous jail. Dr. Frank Ryan is in charge of looking after its inmates. Its a risky job — the last doctor was murdered — but for Ryan its also an exciting challenge. Early one morning, Ryan receives a phone call. Its the jail. Hes needed right away. Kissing his girlfriend Lisa goodbye, he leaves his high-security apartment and walks straight into an ambush. This may be it for Ryan. Coming to, Ryan finds himself in what he assumes is a hospital. But something isnt right. Why does his nurse lock the door behind her and why hasnt Lisa come looking for him? Is Ryan now a prisoner? Overwhelmed by confusing and contradictory evidence, Frank Ryans investigations lead him to the penitentiarys most secure section, J Wing, and the mysterious inmate incarcerated there…