Cindy Austin, the daughter of two scientists who work for the government, is a child prodigy who loves to play games. When she’s introduced to Nancy Drew, she decides to run away in order to see if the famous detective can find her. But when Cindy vanishes a second time, Nancy suspects that it’s more than mere child’s play.
And Nancy is convinced that someone is using Cindy as a pawn in his own dangerous game. And the mysterious new player doesn’t play by the rules — he plays for keeps. One thing’s for sure: Cindy’s in deep trouble, and the game of hide-and-seek has turned deadly serious!