Years after secretly serving during WWII as code-breakers, four remarkable women use their intellects to solve murders overlooked by police.

Heroine Sally Lockhart (Billie Piper) is recently orphaned and on the quest for the truth. Matt Smith (Doctor Who) co-stars, in his first professional role.

Described by TS Eliot as "the first and greatest of English detective novels", the Moonstone follows a man's quest to find a stolen diamond and win the heart of his beloved.

Hugh Leonard's 1970s adaptation of the classic detective novel. Mystery and intrigue arise when a young woman inherits a large diamond that is said to bring disaster to all who possess it.

The incomparable Dame Diana Rigg stars as the infamous, intuitive crime-solver Mrs. Adela Bradley, who uses her finely honed skills of investigation to seek out the truth at an engagement party that ends in a murder.

The BAFTA-winning true story of a Welsh lawyer who finds himself in the middle of what would become one of Britain’s most infamous murder trials.

G K Chesterton's classic clergyman-detective set authentically in the 1920s. Father Brown's involvement with crime is through his calling as a priest, doing good works and apprehending bad guys.

Kurt Wallander (Kenneth Branagh) is a hard-working, beleaguered cop who stops at nothing in his search for the truth behind every murder committed in the beautiful Swedish town of Ystad.

Instead of spending her golden years lying down, the indomitable Hetty Wainthropp found her calling late in life. Combining common sense, her husband, and her pocketbook, this senior sleuth takes on all the cases the police deem too minor.

Critically-acclaimed detective drama starring the late Robbie Coltrane as Fitz, a brilliant but flawed, wisecracking criminal psychologist who looks beyond the body of evidence to what drives the criminal mind.