BBC One Series

A modern update finds the famous sleuth and his doctor partner solving crime in 21st century London.

John Taylor lives in quiet solitude, designing puzzles for a living, under the nom-de-plume of 'Ludwig'. When his identical twin, James, disappears off the face of the earth, John takes over his brother's identity in a quest to discover his whereabouts.

Happy Valley is a dark, funny, multi-layered thriller revolving around the personal and professional life of Catherine, a dedicated, experienced, hard-working copper. She is also a bereaved mother who looks after her orphaned grandchild.

A brilliant but idiosyncratic British detective and his resourceful local team solve baffling murder mysteries on the fictional Caribbean island of Saint Marie.

Former British soldier Jonathan Pine navigates the shadowy recesses of Whitehall and Washington where an unholy alliance operates between the intelligence community and the secret arms trade. To infiltrate the inner circle of lethal arms dealer Richard Onslow Roper, Pine must himself become a criminal.

A drama about the investigations of AC-12, a controversial police anticorruption unit.

A troubled war veteran is assigned to protect a controversial politician who may be the target of a terror plot.

A cash-strapped young couple inherits a grand country house, only to find it is both falling apart and teeming with the ghosts of former inhabitants.