The Unknown Guest (1943)

Miss Marple believes she's seen a murder in a passing-by train, yet when the police find no evidence she decides to investigate it on her own.

A three-year-old boy disappears during his mother's high school reunion. Nine years later, by chance, he turns up in the town in which the family has just relocated.

Nancy Drew, a smart high schooler with a penchant for keen observation and deduction, stumbles upon the haunting of a local home. A bit of an outsider struggling to fit into her new surroundings, Nancy and her pals set out to solve the mystery, make new friends, and establish their place in the community

In the small resort town of Lighthouse Cove, everyone knows that the best man for the job is a woman. And that woman is Shannon Hughes, owner of a construction company and an expert in Victorian home restoration and renovation. Through her renovations she will find clues to uncover the house’s secret past and in turn become an unlikely sleuth to help crack these unsolved mysteries

When the Mystery Inc. gang is invited to Spooky Island, a popular amusement park, they soon discover that the attractions aren't the only things that are spooky. Strange things are happening, and it's up to Scooby, Shaggy, Fred, Daphne, and Velma to uncover the truth behind the mysterious happenings.

Crime-solving librarian Aurora Teagarden leaps headfirst into Lawrenceton’s latest murder investigation when her nephew Phillip and his college roommate go missing after the roommate’s girlfriend is found dead. Enlisting the help of her Real Murders pals, and the handsome college professor Nick Miller who just moved in across the street from her, Roe uncovers a kidnapping plot gone awry.

A man works for the unpleasant guru of a Scientology-like movement.

Adrian Messenger, a famous writer, asks his friend Anthony Gethryn, a former British agent, to help him investigate the whereabouts of the people who appear on a list, without asking him the reason why he should do so.

When a nobleman is threatened by a family curse on his newly inherited estate, detective Sherlock Holmes is hired to investigate.

Sam receives a call from Emily, a near blind woman who is running from her murderous ex in the woods. Can she survive using Sam as her eyes via video call?