Adrian Dunbar

After a criminal is shot dead during a police raid, AC-12 begins gathering evidence against Sergeant Danny Waldron, but it may be hard to get any information out of Danny's tight-knit unit.

As the evidence mounts against them, Danny's squad members close ranks. Then DS Arnott makes a shocking discovery that could change the focus of AC-12's inquiries.

When Arnott's inquiries lead him to be suspended, he must team up with an unlikely partner to open his colleagues' eyes to the possible corruption within their own department.

Mia Farrow, Joan Plowright, Natasha Richardson, Adrian Dunbar, and Jim Broadbent star in this dark drama set in 1920s Ireland. When a mysterious young American woman, Edwina (Richardson), arrives in Kilshannon, a small town inhabited largely by widows led by Mrs. Doyle Counihan (Plowright), no one can get any information about her, including Mrs. Counihan's son, who is wooing Edwina. Miss Catherine O'Hare (Farrow) and Edwina immediately dislike each...

Corbett's most audacious plan yet requires McQueen to exploit links with corrupt police officers. AC-12's shocking discovery about one of their own reveals the scale of the corruption, including the enigmatic figure known only as "H."

Kate and Steve investigate Corbett's past and uncover evidence that may explain Hastings's increasingly reckless behavior. Meanwhile, the hunt for "H" intensifies.

After the incident with Frank, Jim shields Cat from blame but demands she stop investigating Mary's death. Fearing she's in danger, Cat seeks refuge with Barry, who has been looking into his own family's secrets.

Reeling from yet another tragedy, Cat runs into Dez at Barry's house, and Dez presents her with a difficult decision. As Jim prepares to leave town, Michael and Fiona attempt to clear the air.

After the unexpected death of her mother, Mary, Cat Hogan returns to her small hometown from Dublin and notices her father, Jim, acting strangely. Cat tries to tell her siblings, Fiona and Michael, that she suspects their father had a hand in their mother's death.

With their relationship now out in the open, Gillian and Fiona plan to go away together with the kids, and Paul wonders if Fiona will leave him for good. Paul tells Jim he cannot keep their secret any longer.