In 1945, Isabela de Cordoba’s great-grandfather, the silent movie actor Lorenzo de Cordoba, mysteriously hid a legendary, multimillion-dollar emerald somewhere on the family’s sprawling estate. Nicknamed the “Green Curse,” the emerald is blamed for the family's numerous, untimely deaths.
Enter, the Botanic Hill Detectives—Lanny, Lexi, Moki, and Rani. Using Lorenzo's cryptic puzzle poem for the hunt, they face eerie footsteps, secret passages, and unexplained occurrences in the adjacent cemetery. They soon learn they have competition. The perilous race for the de Cordoba treasure is on!