Tian Er 
Hang up Lanterns and Festoons by Oneself 

The book involves a dejected and obstinate police officer, an innocent and fair mute girl and an unscrupulous robber. They are intertwined together because of a barbershop, a homicide case, an unfinished explosive package. The police officer Mr. Huang»s friend was killed when driving a taxi. When the police office treated the case as a gang crime, Mr. Huang found the killer by an inconspicuous hat, only to find that he was Gangzha, the lover of the mute girl, whom he secretly loved. To help the girl look after her kid, Gangzha made a reckless move to rob a taxi and accidentally killed the driver, who happened to the girl»s elder brother.