Ben Ting Ka-Seung

Lau Ching Wan was in the force for almost ten years. He was very careless and was termed "Detective Idiot" by his colleagues. One day, he came to the knowledge that his boss, Christine Ng was a lesbian. Nevertheless, they became good friends and treated each other like brothers. Unfortunately, Lau fell in love with Ng's girlfriend.

A brilliant detective is forced into early retirement after losing eyesight. Making ends meet by solving cold cases for reward money, he teams up with a rookie lady inspector to solve a case from her personal past.

A Cantonese librettist enjoys immense popularity over the course of decades, followed by decline.