The Threshold of a Persona is a 2009 TVB television drama from Hong Kong produced by Marco Law. It was broadcast between June and July of 2009. The drama features the work of the Immigration Department of Hong Kong.
KEI suddenly stands in front of YUE to scold him. At the same time, WING stops KIT from pointing his gun to YUE. HIM visits SUM and he asks him to let go of MING. He hits SUM's subordinates accidentally and SUM reports it to the police. HIM runs away and he meets FUNG. FUNG persuades him to surrender to the police but HIM refuses. MING brings food to the yacht to look for HIM. He persuades HIM to surrender himself to the police and HIM finally agrees. YEE discovers that a person called SAM is using fake identification and she asks YAN to follow him. FUNG and KA lead the team to arrest SAM successfully. SAM refuses to provide any information but KIT convinces him eventually. KIT and YUE join hand together to arrest SUM. YUE is determined to kill SUM and they start a gunfight. SUM captures KIT and he drives away. YUE follows them to an empty factory. SUM persuades KIT to kill YUE in order to take revenge for SZ MAN……