Zhao Qingluo marries a twice-married man from ancient times who already has two children. At first, all she wants is to be a dutiful second wife, but after the wedding, she gradually falls into the trap of his tender affection.
Just as she thinks she has found love, she learns that it was all a scheme, and that she was no more than an insignificant pawn in a grand design.
Someone had carefully laid the groundwork long ago, setting a trap and luring her right into it.