After being reborn, Su Xue becomes convinced that her older sister, Su Wan, stole the wealth and prosperity she had enjoyed in her previous life. Determined to break off her engagement with the Huo family, she insists on marrying Xu Xiuzhi, a poor scholar, instead. Su Wan has long known that Xu Xiuzhi is hypocritical and cruel, so she accepts the Huo family's marriage arrangement and marries Huo Shi'an, a junior military officer. One sister schemes at every turn to reclaim a dream from her past life, while the other sees clearly and changes her fate, holding on to a truly good match. After the sisters exchange marriages, their destinies are reversed forever. When the King of Soldiers returns, the truth and the consequences of past deeds arrive together, delivering one satisfying twist after another.