Great-Grandfather Was a Pirate

The Master's family moves to Everett, Washington to live in an old mansion that was built by the children's Great-Grandfather on the cliffs overlooking Everett Bay.Mother sees the old run down house as looking pretty rough, father sees it as a hobby, but Billy and Kathy see it as an adventure. Rumor has it that their Great-Grandfather was a pirate and that he'd hidden a pile of gold somewhere on his estate. A neighbor, Old Man Parker, adds weight to the rumor when he shows the children a gold doubloon. Hidden rooms, dark tunnels, and mysterious clues lead Bill and Kathy on an adventure of a lifetime as they secretly search their Great-Grandfather's mansion for lost treasure.