Ralph, a bunny being interviewed for a documentary, goes through his daily routine as a "tester" in a lab.。道法高超的茅山道士受好友所托，赶在鬼节前到他家祖上墓穴迁移。他带着两个小徒弟，三人途经山林遭遇鬼打墙，被黑雾笼罩迷住。师徒三人途经此地断定迷魂阵，便开坛作法破解。。
