Two people are happy no matter what. It seems like an amusement park full of joy, but a female corpse is discovered in the haunted house. How will Miao and Shen deal with it... What kind of murderous intentions are hidden under their cowardly appearance... The originally peaceful mountain village will be in trouble again due to the arrival of Miao and Shen... A duel in a reservoir, what kind of future will the protagonist have, and what kind of past he has had...