The Threshold of a Persona (ID精英) is a first TVB drama in relation with Immigration Department.
Casts for this drama includes Roger Kwok, Yoyo Mung, Patrick Tang, Raymond Cho, John Chiang, Toby Leung, Natalie Tong, Claire Yiu, Kenny Wong, Power Chan
FONG TSUN KIT (Roger Kwok) becomes friends with two other candidates CHENG PAK YU (Raymond Cho) and YIP ON KEI (Yoyo Mung) while applying for a post in the Immigration Department. YU is an aggressive person. He later moves to the Police Force and is promoted to Senior Inspector of Regional Crime Unit.
While investigating a murder case, he realizes that the new gang leader WU KIT SUM (Kenny Wong) has killed somebody because of KIT’s wife. It totally turns KIT’s life upside down. As a good friend, KEI helps KIT take care of his son after a failed relationship with YU. When two hearts meet, an extraordinary link spontaneously draws them together.
Meanwhile, AU SHUN FUNG (Patrick Tang) appreciates KIT’s ability very much and recommends him to MAK KAI MING (John Chiang), Head of Investigation Section. KIT gains approval and he is determined to start anew. While carrying out an investigation on a fraud syndicate, he comes upon his missing wife and uncovers her long-hidden identity.