Over Sea, Under Stone

During a seemingly ordinary summer holiday in the picturesque Cornish village of Trewissick, the three Drew siblings – Simon, Jane, and Barney – stumble upon an ancient, mysterious map. What begins as a simple exploration quickly unravels into a thrilling quest when they realize the map holds the key to an age-old secret: the location of a powerful artifact, a legendary Grail, capable of turning the tide in the eternal war between the primordial forces of Light and Dark. Guided by the enigmatic Great-Uncle Merry, the children find themselves thrust into a world where ancient legends are terrifyingly real, and their every move is watched by sinister agents of the Dark. They must decipher cryptic clues, face daunting challenges, and confront growing dangers as they race against time to recover the Grail before it falls into the wrong hands. "Over Sea, Under Stone" masterfully blends childhood adventure with deep mythological roots, setting the stage for a timeless battle where courage, wit, and sibling unity are the only weapons against an encroaching evil.