Bali Hong Yi was able to duplicate the snake key by just looking at the lock. Bali Hong Yi and Wu Si Yue try to keep Liu Xiang at the party longer. Bali Hong Yi catches up to Liu Xiang to talk to him about an important matter. Liu Xiang locks down his mansion because of Bali Hong Yi's strange behavior. Gao Bing Zhu finds a secret compartment with secret files. The account book is written in code and Bali Hong Yi can decode it. The Joint Corps wants to get help from Gao Bing Zhu. They give the account book away and it gets stolen and a Joint Corps member is killed. Gao Bing Zhu goes to Cui Biluo Restaurant. Gao Bing Zhu gueses the identity behind Joint Corps is Prince Dong Chuan and agrees to find the mole. (Source: jindreame at MyDramaList)