Synopsis：Many years ago, Lin Chuxia and her elder sister Lin Wanqiu fell in love with Gu Tingze at the same time, but Gu Tingze married her elder sister Lin Wanqiu. For many years, Lin Chuxia had been hiding this feeling quietly, until one day her elder sister became seriously ill and was afraid that no one would take care of the two children after she died, so she designed a plan for Lin Chuxia and Gu Tingze to be together. Lin Chuxia thought that she could finally love openly, but she never thought that Gu Tingze would attribute all this to her being a spy...