Mystery bookstore owner Samantha Washington is trying to keep her grandmother from spending her golden years in an orange jumpsuit . . . The small town of North Harbor, Michigan, is just not big enough for the two of them: flamboyant phony Maria Romanov and feisty Nana Jo. The insufferable Maria claims she's descended from Russian royalty and even had a fling with King Edward VIII back in the day. She's not just a lousy liar, she's a bad actress,...