James Trotter loses his parents in a horrible accident and is forced to live-miserably-with his two wicked aunts. Then James is given some magic crystals that give him hope. But when he accidentally spills these crystals on an old peach tree, strange things begin to happen. A peach starts to grow and grow until James is able to climb inside and escape his awful aunts! And through this adventure, he makes some interesting friends, including Grasshopper, Earthworm, Miss Spider, and Centipede, and finally finds a place where he belongs. Annotation A young boy escapes from two wicked aunts and embarks on a series of adventures with six giant insects he meets inside a giant peach.

可憐的小詹姆斯在四歲時成了孤兒，他與兩個可惡的姨媽住在一起。她們把小詹姆斯當奴仆使喚，直到有一天，一個像房子一樣大的仙桃徹底改變了他的生活。
在這個奇妙的大仙桃里，有一群奇怪又可愛的朋友正等著他呢！小詹姆斯與他的朋友們開始了一段最奇異的旅行……

一個瘦瘦的、透頂的、總是帶著一臉狡黠的笑的老頭，無論他跑到美國、英國、荷蘭、德國、法國、澳大利亞或新西蘭，當然現在也包括中國，隨便敲開一家有小孩子的屋子說：“啊，我走累了，我的車用光了汽油，可以請我進來喝杯茶嗎？”孩子們會立刻尖叫著，歡呼雀躍地迎他進門，因為沒有孩子不認識這個老頭，他就是那個讓大人們有點害怕、讓孩子們瘋狂著迷的羅爾德·達爾。