Furious that her late father only willed her his gloomy-looking mansion rather than his millions, Carrigan Crittenden is ready to burn the place to the ground when she discovers a map to a treasure hidden in the house. But when she enters the rickety mansion to seek her claim, she is frightened away by a wicked wave of ghosts. Determined to get her hands on this hidden fortune, she hires afterlife therapist Dr. James Harvey to exorcise the ghosts from the mansion. Harvey and his daughter Kat move in, and soon Kat meets Casper, the ghost of a young boy who’s “the friendliest ghost you know.” But not so friendly are Casper’s uncles–Stretch, Fatso and Stinkie–who are determined to drive all “fleshies” away. Ultimately, it is up to Harvey and Kat to help the ghosts cross over to the other side.
某富豪过世，他将大部分财产捐给各种慈善机构，只给自己专横跋扈的继女凯丽根•克里坦顿（凯西•莫拉蒂 Cathy Moriarty 饰）留下一幢位于缅因州的别墅。这幢名为维普斯大府庄园的别墅拥有很久的历史，如今早已破败不堪，无法住人。凯丽根起初愤怒不已，但她偶然知晓别墅内可能藏着金银财宝，于是和律师帝布斯（Eric Idle 饰）欣然前往。令他们想不到的是，这里竟然还住着4个幽灵。财宝当前，贪心之人想方设法要把幽灵赶