Following the death of her father, neurotic and spoiled heiress Carrigan Crittenden discovers he has only left her Whipstaff Manor in Friendship, Maine. Carrigan and her attorney Dibs discover a vast treasure allegedly is in the manor, but they find it is haunted by a friendly ghost named Casper and his obnoxious prankster uncles, the Ghostly Trio, who scare the two off the property.