Spy Games: The Thirteenth Sector (2007)

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

When a college student is found dead, English professor Amy uses her crime fiction expertise to unravel the case faster than detective Travis, who ends up working with Amy to catch the killer.

Holmes and Dr. Watson help a young lady who is receiving anonymous letters 10 years after her father passed away under shady circumstances. They find themselves in an enigma involving a treasure, murder and a love interest for Watson.

Archaeologist Emma Fielding is hired to consult on the acquisition of a castle-like estate that local legend states is cursed. But she finds herself in the middle of a murder case after discovering the body of the archaeologist she was hired to shadow in a secret chamber in the bowels of the huge building. Assisted by her friend, FBI special agent Jim Conner, Fielding must sift through clues and a long list of suspects, each of whom has their own reason for wanting the man dead, to determine who is the killer.

This film version was released before the premiere of the full two-part television version (The Adventures of Sherlock Holmes and Dr. Watson: The Twentieth Century Approaches). In this version the entire plot of the story Bruce-Partington Drawings was deleted.

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

Faced with two false confessions and numerous suspects after a despised civil magistrate is found shot in the local vicarage, Detective Inspector Slack reluctantly accepts help from Miss Marple.

A librarian with a sharp mind for murder, Aurora Teagarden is known around her small town as a master sleuth. When her friend Jane unexpectedly dies and leaves Aurora everything in her will, she also leaves a troubling murder mystery haunting her neighborhood. It is up to Aurora to piece together the clues—including a skull, its missing skeleton and a suspicious group of neighbors—and solve the murder before she becomes the unlikely killer’s next victim.

When an old friend of New York Sentinel Crosswords editor Tess Harper is found murdered on the very day her puzzle includes his proposal of marriage, Tess unofficially teams up with Detective Logan O’Connor to find the killer.

Attorney turned therapist Hailey Dean is pulled into another investigation when a popular new dating app links multiple missing persons cases from around the city. Reuniting with her old team, Hailey discovers the potential dangers of online interaction, and must track down a killer before anyone else gets hurt.