Iain Glen

Jack's investigation into the death of a man found crucified reveals that the victim's brother was implicated in the hit-and-run death of a woman. Could the woman's family members be out for revenge? Kate's cousin becomes Jack's new assistant, and Kate hides a big secret.

Hired by the CEO of a software company to investigate the theft of valuable data, Jack takes an instinctive liking to the main suspect. When she is found dead, Jack suspects the CEO and vows to bring him down. Meanwhile, to Jack's annoyance, Kate begins a new relationship.

Riddled with guilt after a personal tragedy, Jack leaves Galway for Dublin. There he meets Rosie, a young girl who witnessed her mother's murder, but has suppressed the memory. While also dealing with a travellers' feud, Jack must help Rosie to recall the events of her mother's death before the killer strikes again.

Taylor is hired to look into past abuses at the infamous Magdalen laundries, the city's home for "wayward girls." The daughter of a former inmate wants him to track down a woman called "Lucifer," a particularly brutal nun who worked there. In the wake of two execution-style murders, Taylor realizes he's not alone in searching for Lucifer.

Determined to restore law and order, a group of local vigilantes known as the Pikemen is meting out its own brand of rough justice on the streets of Galway. Taylor comes face-to-face with the group during one of his investigations but soon ends up on the wrong side of the law himself.

As Mimi prepares for her surgery, tensions at the hotel run higher than ever. Sam tries to mend things with Marc, unaware he has a secret of his own. Teresa confesses to Sam, but it blows up in her face when Sam decides to leave the hotel for good.

It's 1963, and Alison Wilson returns home to husband Alexander -- shortly before his sudden collapse and death. Blinded by grief and focusing on her two teenage sons, Alison is bewildered when a woman arrives at the door claiming to be Alec's 'real wife.' Alison sets out to discover who Alec really was; dissecting their 1940s romance, and her husband's mysterious career in the secret service.

Sam is shocked to find that Mason bought her spa location and feels even worse when she discovers his relationship with Gina. While Teresa and Mimi hide each other's secrets, Sam reconnects with her old flame Marc, who is in town for a friend's wedding.

Alison is on the tail of the elusive 'Dorothy,' finding photographs of her from Alec's time in India. After speaking to Alec's handler and hearing that their 'relationship' was likely a cover story, Alison traces Dorothy to Yorkshire and insists on the truth. Back in the 1940s, Alison struggles with the aftermath of Alec's decisions, forced to raise her young family in poverty in wartime London.

Set Three includes three all new feature-length mysteries. Cross - When a man is found crucified, Jack's investigations reveal that the dead man's brother was responsible for the death of Norma Mitchell. Headstone - Jack is on a race against time to locate a former nemesis, Ronan Meyers, who has been kidnapped and held for ransom. Purgatory - Jack is hired by the head of a large software company to investigate the theft of valuable data.