During a picnic in the park, Scooby-Doo and the gang go on a search for a buried treasure that is guarded by the ghost of a pirate, but what they actually find is something completely different.
Sixteen-year-old Hope must defend her developmentally disabled brother, who has not spoken a word since he was seven years old, when he is accused of murdering a beloved high school baseball coach.
In Victorian London, a lonely band of misfits trapped in a sideshow decides to put their extraordinary talents to use to solve the mysteries that no one else cares about, starting with the stealing of poor children from the banks of the Thames.
Thirteen-year-old Sherry helps her mother, a ghost, to investigate who is stalking Sherry's stepmother, but Sherry is also very busy with school and friends, while her mother is also striving for a gold medal in the Ghostlympics.
With playoffs ahead and a chance to play a few games in the National Hockey League, Josh hesitates to get involved when he finds more than a dozen dead cattle on his dad's ranch.
Susan, eleven years old in 1914, encounters a mystery through an independent-minded female boarder and becomes involved in the growing suffrage movement in New York City.
Having moved from Anaheim to Hollywood, California, so her sister can star in a television sitcom, shy and lonely Jessica tries to discover who is selling unflattering stories about her sibling to the tabloids.