Nathan O'Neil, a horror writer obsessed with the occult, comes to Fantasy Island in hopes of seeing a ghost. Nathan gets more than he bargained for when the ghost starts running around in his skin. Jack Lee and his wife, Doris, come to fulfill Jack's fantasy of being a great baseball player. When Jack takes ill, Doris has the opportunity to have her wish granted -- to dance like Ginger Rogers. Meanwhile, Cal and Harry make an attempt to escape on a boat that's washed up on shore, but Mr. Roarke has other plans for them.