由于凪和玛莉亚的帮忙给飒一个免于开除的机会，就是前去“管家之穴”进行修行。来到管家之穴的飒遇见一个叫芙迪希亚的修女。凪担心飒被奇怪的女人纠缠就来到飒的身边，这时飒正要接受地下迷宫的修行；为了进入地下迷宫飒去找寻可靠的伙伴，因为雏菊还在生飒用吊桥吓她的事，无奈只好找亘和桂老师作为伙伴进入地下迷宫。此刻的伊澄接到了一个除灵的委托，委托人竟然也叫芙迪希亚的修女……

雪路のせいで「マラソン自由形」に優勝することが出来なかったハヤテとナギ。クラウスと『優勝できなかったら執事を辞める』という約束をしていたハヤテだが、連帯責任を求められたクラウスにより、執事復帰へのチャンスを与えられる。それは泣く子も黙る執事矯正施設「執事とらのあな」で修行するというものだった…。

As stipulated, Hayate is to be fired as Nagi's butler, but as Klaus fears getting fired himself for this, he sends Hayate off to be trained at the Tiger's Den for Butlers to show his worth. Hayate meets a Catholic sister on the train, Sister Fortesia, and he later meets her again at a church which doubles as the location of the Tiger's Den. The next day, Hayate must find three others to go on a Butler Quest in an underground dungeon as a part of his training. Nagi is quick to join, and Yukiji and Wataru also join in.