Detective Jeffery Bones and Grandpa visit Grandpa's friend Sally--the best apple pie baker around. Today, she's practicing for the pie contest held at the county fair. But when it's finally time to eat the pies, they are nowhere to be found--not in the oven, on the counter, or on the table. Did Sally's dog Oliver eat them? Detective Jeffery Bones is on the case!
小偵探傑佛瑞．柏恩斯和爺爺一起去拜訪爺爺的朋友莎莉，她是最厲害的蘋果派烘焙師。今天她正好在為園遊會舉辦的蘋果派比賽練習，可是最後要試吃的時候，蘋果派卻不見了！不在烤箱裡，不在檯子上，桌子上也沒有！是莎莉的小狗吃掉了嗎？小偵探傑佛瑞的偵查行動開始！