He Signed a Letter of Divorce at the Beginning and Then Married His Sister-In-Law.

The great chivalrous person serves the country and the people! He is the master of the world, who can turn the tide from falling and hold the building up before it collapses! Nine needles determine Yunzhou! Kill the Fuso people in formation! When Jiang Wu Jiu became the master of the National Medical Hall, he was still worried about the little girl who saved his life when he was young. Leaving all this behind, giving up his glory and wealth, and bidding farewell to the Elder's Mansion, Jiang Wu Jiu resolutely left, just to find the little girl from before. Now Jiang Wujiu, who has been working hard in the Qin family as his son-in-law for three years, realizes that he has found the wrong person...