Knight to E-4. Checkmate. After receiving a mysterious call at his chess club, William Wallace went on a wild goose chase to meet a client. When he returned home, his wife was dead. Did the chess enthusiast plan his wife’s murder with the same strategy and foresight needed in chess, or was he just in the wrong place at the wrong time? Carter and Wenndy investigate, because in this crime, none of the pieces are black and white.