"The photo on the card shows a boy who was found murdered, a year ago, on the grounds of a girls' boarding school in the leafy suburbs of Dublin. The caption says I KNOW WHO KILLED HIM. Detective Stephen Moran has been waiting for his chance to get a foot in the door of Dublin's Murder Squad--and one morning, sixteen-year-old Holly Mackey brings him this photo. "The Secret Place," a board where the girls at St. Kilda's School can pin up their secrets...

"Death is no stranger to Detective Chief Superintendent Frankie Sheehan, but she isn't the only one from her small, coastal suburb to be intimately acquainted with it. Years ago, teenager Sean Hennessey shocked the tight-knit community when he was convicted of the brutal murder of his parents and attempted slaying of his sister, though he always maintained his innocence. Now, Sean finally being released from prison--but when his newfound freedom coincides...

As dusk approaches a small Dublin suburb in the summer of 1984, mothers begin to call their children home. But on this warm evening, three children do not return from the dark and silent woods. When the police arrive, they find only one of the children gripping a tree trunk in terror, wearing blood-filled sneakers, and unable to recall a single detail of the previous hours. Twenty years later, the found boy, Rob Ryan, is a detective on the Dublin...

Detective Inspector Mike Mulcahy takes on a case involving a Dublin gangster's murder, while reporter Siobhan Fallon investigates clues surrounding a suspicious suicide story, and turns to Mulcahy for help.