Luoyang Episode 19

Wu Si Yue loses her reinforcements to protect Bali Hong Yi. Gao Bing Zhu gives a list of suspected moles which includes Agent An. Bali Hong Yi meets up without his bodyguard and notices there aren't any interior guards, just Wu Si Yue. Geo Bing Zhu stirs up trouble with his investigation of moles. Wu Si Yue gets Lord Pei to help with reinforcements. Liu Ran messes up Bali Hong Yi's plan by going to the meeting. Gao Bing Zhu reveals that he knows the identity of the mole and sets a trap. Bali Hong Yi almost gets killed and Wu Si Yue takes him under custody. (Source: jindreame at MyDramaList)