Hayate and his party members continue to go on the butler quest. Hayate is poisoned by a poisonous spear after saving Nagi's life. Meanwhile, Hinagiku and Isumi are on the quest to help Hayate and exorcise this evil spirits, respectively. Hayate's group encounters the now-dead, ghost priest of the church, Rin Regioster, who points out Sister Fortesia to be a fake. The sister is takes control of a plug-in giant size robot to enact her revenge against the Sanzen'in family. While Fortesia and Hinagiku are fighting, Yukiji is possessed by an evil spirit, and attacks the others, also using the giant robot. Hayate exudes more power and destroy the robot, while Isumi exorcises the spirit possessing Yukiji. Back at the mansion, Hayate collapses after the butler quest.

Sonia (the nun) is outside Wataru’s Video Store debating to herself about her love for Wataru, she finally says she just wants to acknowledge her feelings and goes in the store. She realizes that she is truly in love with Wataru but becomes jealous when Wataru takes care of Saki when she falls. The two kidnappers from the 1st episode try to kidnap Wataru, but they accidentally kidnap the Saki instead. Wataru gives Sonia a kiss on the cheek to save Saki and she does so easily. Sonia goes into the video store again, and Wataru lends her another video, but this seems to get Saki jealous. Later, Katsura sensei has been asked if she has a boyfriend, and she makes up a lie saying that she has dozens and chooses one to be with depending on her mood. To get a boyfriend Katsura sensei asks Nagi when the next high society party is, and Klaus says they will have one tonight. To prepare for the party, Katsura sensei goes around and asks people for advice about love. Miki, Izumi, and Risa go directly to Hayate for help on this matter. Nagi talks to Katsura sensei about having a boyfriend, and after a little bit of thinking Katsura sensei says she actually prefer booze instead. Everything goes well for Katsura sensei, but in the end, we see Maria sighing about having a boyfriend.