Xu Songtao, bearing a striking resemblance to Song Shaocong, is chosen as his stand-in and undergoes rigorous trials to secure the position of heir. However, just before his wedding, he is kidnapped by the real Song Shaocong, who wishes to reclaim his identity without effort. His fiancée, Guo Yating, immediately senses the deception, setting off a battle between the true and false Song heirs.