"When retired postmaster Albert Schumer is found dead on the steps of the post office, the whole town of Mystic Notch is disappointed he won't be able to play in the annual checkers tournament. But when his ghost informs middle-aged bookstore owner Willa Chance that he died trying to deliver an old letter, which has mysteriously gone missing, Willa realizes Albert didn't just slip and fall. Someone killed him. Even worse, it turns out the letter contains...