Zhuang Wen Jie is taken by the thieves and the police lose his trail. Ding Sheng Huo wants Zhuang Wen Jie to sell Water Lily to Liao De Tong so they can break into his vault. The thieves send Zhuang Wen Jie back to collect the painting he already sent to the police. Zhuang Wen Jie officially starts working for the police. Zhuang Wen Jie learns the ultimate plan and shares it with the police. Zhuang Wen Jie loses contact with the police when Liao De Tong's goons search them for devices. (Source: jindreame at MyDramaList)