Witnesses report a huge snake monster in a dungeon near the city. The king sends the cadets to investigate. However, Alka, Micona, and the mysterious Sou all get involved for their own reasons.
There's no room to let my guard down, is there?
ليس هناك مجال للتخلي عن 
حذري، أليس كذلك؟
Ma insomma, proprio non posso 
abbassare la guardia, eh?!
Ну и ну! За вами нужен глаз да глаз!