Motoko gets a notice to guard an island until an exorsist can arrive and drive out a ghost there.  Meanwhile Keitaro's friends want him to get with Naru and what better way than to scare her and become her protector?  When Motoko arrives at the island, who does she find?  Everyone.  When Naru gets possessed by an evil spirit things get interesting.  Now, if only Motoko can learn how to remove the spirit without harming Naru, everything will be okay.