Library

A secret room murder occurred at Mist University. The police led by Mai Gu and the detective headed by Bosuo (Xiao Bioshuo) went through many difficulties, but found out that he was the murderer... In order to arrest him and solve the mystery of the "Magic Shadow", Mai Gu, Zhuang Dou, Su Yu (just the same name) and her who looked very much like her reorganized the Mystery expedition team, and started a long-lost adventure on the way to solving the mystery...