The top student from the police academy was unjustly imprisoned overnight.
The mysterious man promised him to regain his innocence, but the price was to go deep into the underworld and stay undercover for ten years.
He solves murder cases, cuts drug nets, and saves children.
But just as he was about to return to the team, the only witness died in the darkness.
From then on, he remained anonymous and stalked alone.
When the underworld godfather passed down to him,
Between friendship and justice in the world, only one can live.
After the storm, the East China Sea was calm,
No one remembers that there was once a person who guarded the light in the abyss.
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