Out of Blue (2019)

A private investigator helps a former flame solve the murder of her wealthy grandfather, who lived in a sprawling estate surrounded by his idiosyncratic family.

During a murder hunt game at a country house, to which Hercule Poirot is invited as an "expert", a real murder occurs.

Lt. Dave Robicheaux, a detective in New Iberia, Louisiana, is trying to link the murder of a local hooker to New Orleans mobster Julie (Baby Feet) Balboni, who is co-producer of a Civil War film. At the same time, after Elrod Sykes, the star of the film, reports finding another corpse in the Atchafalaya Swamp near the movie set, Robicheaux starts another investigation, believing the corpse to be the remains of a black man who he saw being murdered 35 years before.

Travelling on the 4.50 from Paddington, Mrs McGillicuddy witnesses a murder on a passing train - but where is the body?

Early in his crime-solving career, Sherlock Holmes attempts to prevent Moriarty from cornering the heroin market.

Still recovering from a heart transplant, a retired FBI profiler returns to service when his own blood analysis offers clues to the identity of a serial killer.

Private investigator Matthew Scudder is hired by a drug kingpin to find out who kidnapped and murdered his wife.

Mysterious Orfamay Quest hires Los Angeles private investigator Philip Marlowe to find her missing brother. Though the job seems simple enough, it leads Marlowe into the underbelly of the city, turning up leads who are murdered with ice picks, exotic dancers, blackmailed television stars and self-preserving gangsters. Soon, Marlowe's life is on the line right along with his case.

Coming from a police family, Tom Hardy ends up fighting his uncle after the murder of his father. Tom believes the killer is another cop, and goes on the record with his allegations. Demoted to water-way duty Tom, along with new partner Jo Christman, navigate the three rivers looking for clues and discovering bodies. This time the victims are women Tom knows, he must find the killer to prove his innocence.

Vice detective Bob Hightower finds his ex-wife murdered and daughter kidnapped by a cult. Frustrated by the botched official investigations, he quits the force and infiltrates the cult to hunt down the leader with the help of the cult’s only female victim escapee, Case Hardin.