A parent receives a panicked phone call from a stranger who reveals that both of their children have been kidnapped by someone who demands that they abduct another child to prevent the murders of their own.

Northern Ireland, spring 1981. Hunger strikes, riots, power cuts, a homophobic serial killer with a penchant for opera, and a young woman's suicide that may yet turn out to be murder: on the surface, the events are unconnected, but then things-and people-aren't always what they seem. Detective Sergeant Duffy is the man tasked with trying to get to the bottom of it all. It's no easy job-especially when it turns out that one of the victims was involved...

"It's just the same things over and again for Sean Duffy: riot duty, heartbreak, cases he can solve but never get to court. But what detective gets two locked-room mysteries in one career? When journalist Lily Bigelow is found dead in the courtyard of Carrickfergus castle, it looks like a suicide. Yet there are just a few things that bother Duffy enough to keep the case file open. Which is how he finds out that she was working on a devastating...

"A Catholic cop tracks an IRA master bomber amidst the sectarian violence of the conflict in Northern Ireland The early 1980s. Belfast. Sean Duffy, a conflicted Catholic cop in the Protestant RUC (Royal Ulster Constabulary), is recruited by MI5 to hunt down Cormac McCann, an IRA master bomber who has made a daring escape from the notorious Maze Prison. In the course of his investigations Sean discovers a woman who may hold the key to Cormac's whereabouts;...

"Belfast, 1985, amidst the "Troubles": Detective Sean Duffy, a Catholic cop in the Protestant RUC (Royal Ulster Constabulary), struggles with burn-out as he investigates a brutal double murder and suicide. Did Michael Kelly really shoot his parents at point blank and then jump off a nearby cliff? A suicide note points to this conclusion, but Duffy suspects even more sinister circumstances. He soon discovers that Kelly was present at a decadent Oxford...

Richard Coulter is a man who has everything. His beautiful new wife is pregnant, his upstart airline is undercutting the competition and moving from strength to strength, his diversification into the casino business in Macau has been successful, and his fabulous Art Deco house on an Irish cliff top has just been featured in Architectural Digest. But then, for some reason, his ex-wife Rachel doesn't keep her side of the custody agreement and vanishes...

Thirteen-year-old Jamie is overjoyed when a bequest sends him and his mother to live on an Irish island, where he and his newfound friend Ramsay travel back in time to help a young girl save her people from certain death.

After teenage friends Jamie and Ramsay travel back to Altair to save the last citizens of that dying planet, the ancient race who built the mysterious, wormhole-seeking Salmon returns with a terrible proposition for Jamie.