The Mystery of Willoughby Castle. Word Search Puzzle Solver. The Mystery of Willoughby Castle word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Three youngsters set out to unravel the mysteries of a strange castle at the edge of town. In the process they learn about self-esteem and acceptance. It also offers a clear presentation of the salvation message. This includes identifying and searching for words that are related to : Ned York, Mystery, Luisa Morell, Family, Martha Webster, William Lowry, Kevin Rodell .