Sloane and Amelia clash with rival detectives when they travel to Tangle Glen mansion with the goal to find the two million dollars that went missing on the premises decades ago.
Thirteen-year-olds Sloane and Amelia embark on their first paid detective job to find a time capsule buried on the grounds of Cedar Point Amusement Park, but encounter opposition from a vengeful schoolmate, the park manager, and a ghostly figure.