The eldest son of the Gu family, Gu Shiming, survived an assassination attempt. His bride, A Ning, married him early to fulfill a traditional "joyful wedding" custom. Before the wedding, she discovered that her groom was not the real Gu Shiming, but a substitute seeking revenge on his behalf. After testing him several times, A Ning decided to cooperate with him to uncover the mastermind behind the plot. Over time, she grew to trust the substitute, while Gu Yan, another member of the Gu family, began to suspect that the man in their home was an imposter, and developed an interest in A Ning. When the real Gu Shiming returns, A Ning is torn: her heart now belongs to the imposter, while her former love has become her enemy. The emotional entanglements and revenge schemes unfold.
