知音

知音 (zhi yin)
Translation: Someone who truly understands you. It is said that everyone only has one zhi yin in the whole entire world. If literally translated, it says "knows sound".

Zao has been isolated for as long as he could remember. His father being the head of an underground mob that trades drugs illegally and the death of his mother didn't exactly help. That was until the arrival of a young man by the name of Yao. He is an undercover police who has come to gather information to capture this family. He wants to get this mission done ASAP because he is disguised as a new...servant. Furious at his boss and peers, Yao sets out to what seemed like an moderately easy mission until meeting Zao. That was when things get complicated...