The Nation's Guardian Doctor and Son-in-Law

Chen Yu, a legendary soldier king, lies low in the city, working as a humble security guard and keeping his glorious achievements hidden.

His mother is gravely ill, but he has no money for treatment, and he has tasted the warmth and coldness of human nature.

He can endure every hardship and humiliation.

But he cannot fail to honor the one dearest to him.

The hidden dragon emerges, its brilliance shaking the world.

A legendary soldier king, revered by all.