He Yuzhu picks up a girl at his doorstep who claims to be He Daqing's daughter, left behind as his younger sister.
He Yuzhu's soft-hearted streak strikes again. He takes her in, and she promptly turns the whole courtyard upside down.
Everyone blames him. At first, He Yuzhu kicks her out several times, only to take her back again and again.
Little by little, he realizes that perhaps everything she does is actually for his own good.
Su Yanyan has just finished watching the series when she transmigrates into it. She firmly believes her mission is to save He Yuzhu and bring him together with Lou Xiaoe.
But things only get more and more chaotic.
Her relationships with everyone in the courtyard also become downright bizarre.
