Pan Tianzhu, a famous policeman in the capital, is short and capable, and solves cases like a god, and enjoys the reputation of “Five-foot detective”.However, time is not forgiving, and as he approaches retirement, he has no case to solve in the past ten years and farces have occurred frequently.The chief catcher didn't want him to cause trouble in Liumen anymore, so he was demoted to be the catcher in Fog Town.

Wu Town, a peaceful town on the surface, Pan Tianzhu noticed something strange behind it when he first arrived.First, Li Youqian, Widow Wang, Litigation Master Wang and others died mysteriously and tragically one after another, and then the residents of the town kept their secretive attitude. Everything seemed to confirm his suspicion that this town was not simple.

At this time, Wu Zhuang, a young man who wanted to work as an errand in the Six Gates, took this opportunity to become Pan Tianzhu's disciple.This young man is somewhat dazed, but he also possesses keen observation skills and courage to take risks.With the joint efforts of the master and the apprentice, they gradually uncovered the mystery behind the town, and a bizarre case from twenty years ago gradually surfaced.

It turns out that twenty years ago, Wu Town was a prosperous business and travel place.However, a bizarre fire claimed the lives of many people in the town.Since then, Fog Town has been shrouded in a mysterious fog, and the residents have become more mysterious and closed-off.And those bizarre murders are inextricably linked to this old case.

During the investigation, Pan Tianzhu and Wu So-called encountered many difficulties.There are all kinds of obstacles from the residents of Fog Town, and there are also traps from enemies hidden in the dark.However, they never give up and get closer to the truth step by step.They discovered that there was a huge conspiracy hidden behind all this, and the core of this conspiracy was actually closely related to Pan Tianzhu's own past.

In the end, in a thrilling showdown, Pan Tianzhu and Wu Suoyuan successfully revealed the truth, bringing a new dawn to Wu Town.And Pan Tianzhu was able to once again prove his reputation as a detective on the occasion of his retirement.

This is a story about courage, wisdom and perseverance, as well as a story about how a famous policeman who is about to retire rediscovers himself and defends justice when faced with difficulties.Pan Tianzhu's wisdom and Wu's so-called courage became the key to solving the mystery, and their deep relationship between master and apprentice also added a touch of warmth to this bizarre case.

In the process of uncovering the truth, Pan Tianzhu not only helped Wu Suo grow into an excellent detective, but also allowed him to rediscover his persistence in justice.Wu's so-called persistence and bravery also made Pan Tianzhu realize that even if he gets older, his passion and pursuit of justice will never disappear.

At the end of the ending, Pan Tianzhu did not choose to stay in Wu Town to enjoy his old age, but chose to stay in Liumen and continue to fight for justice with his wisdom and experience.Wu Suo also took over his mantle and became a new generation of “Five-foot detective”, continuing to explore the truth hidden in the world.