The Dragon King of the North was framed overnight and thrown in prison, where he spent three years without seeing the light of day!
The moment Qin Dong steps out of prison three years later, he learns that his mother has been arrested, his younger sister has been brutalized, and his fiancée is missing!
Three years ago, he swallowed his anger for his family, yet still failed to keep them safe!
If that's the way it is, then there's only one thing to do: kill!