Four women who worked as codebreakers at Bletchley Park have taken up civilian lives.

After his girlfriend is murdered, a reporter stumbles onto a serial killer's journal which contains the names of his intended victims, and as he investigates, all roads point to an impossible suspect.

When her sister disappears, Jill is convinced the serial killer who kidnapped her two years ago has returned, and she sets out to once again face her abductor.

A female British detective is summoned to Belfast to solve a high-profile murder.

Having been demoted and transferred to the north, D.C.I. Tennison finds herself under-used until she gets a case where a 12-year-old boy confesses to murder. She becomes involved with trying to convict the local crime boss who has proved impossible to touch.

Four women who worked as codebreakers at Bletchley Park have taken up civilian lives. Susan has collated data about a series of murders. She tries to convince the police she knows where another body is, but they are unable to locate it and dismiss her. She turns to her three friends and they work out where the next victim will be taken, find the body, and then decide they are the only ones who can track down the killer.

A series of mysterious murders committed by a masked killer transforms a seemingly peaceful community into a place where no one is safe and everyone is suspect. Part horror movie and part spoof of the slasher genre.

A homicide detective's past comes back to haunt him when his ex-girlfriends become the target of a serial killer who's out to destroy him.

It's been 10 days since serial killer Paul Spector fled Belfast, and Detective Superintendent Stella Gibson is running out of time to catch him. Then Spector commits a brazen crime to silence someone from his past, and Gibson finds crucial evidence that puts her hot on his trail once more.

John Luther, the near-genius detective struggling with his own demons, returns with two distinctive, thrilling crime stories. Devastated by the brutal murder of his wife, John Luther returns to policing in a different world. His old unit has gone and he's working in the newly created Serious and Serial unit, headed by former police complaints officer Martin Schenk. Luther quickly gathers together his team, rescuing his old partner Detective Justin...