In the forest made of steel and concrete, the white-collar ants are busy. They are like tiny ants, looking for a living space in this metropolis.Li Hao is one of them. He repeats the monotonous life of commuting to and from get off work every day, but he carries a longing for a better future in his heart.He has a beloved girl, who is his most precious existence in this city.

However, a sudden event broke the peace.In order to protect the girl, Li Hao was accidentally involved in a bloody murder case.A case that had nothing to do with him originally involved him in a dual investigation by the police and gangs.He became a suspect in a murder, and his life became crisis-ridden.

Driven by the instinct of survival, Li Hao embarked on a thrilling escape.He traveled through every corner of the city, trying to escape the police's pursuit.In the process, he gradually discovered the darkness and evil hidden behind the city.Lies are covered by bigger lies, sins are covered by deeper sins.In this world full of darkness, the only thing that can illuminate the night is the faint light in the hearts of kind people.

At the same time, former forensic doctor Liu Feng is also looking for his missing wife and children.Overnight, he lost all contact with his family. In order to find the truth, he embarked on a long and arduous journey alone.For ten years, he traveled to every corner, looking for traces of his family.In the end, he chose to use a serial killing to reveal the truth, even though the truth was too cruel for him to bear.

In another corner of the city, the exiled Bad Cop Zhang Qiang is also looking for an opportunity to return to the police force.He has a sharp mind, but is rejected by the world because of his irritable and extreme personality.To prove his reasoning, he must solve a mystery that no one can solve and make the perpetrators pay for their sins.However, when the truth was placed before him, he found that he could not prove his reasoning.