In her past life, An Nuan was betrayed and killed by her scumbag fiancé and her own family, all because of her naïveté. When she wakes up again, she finds herself back in time—just before her engagement to that same scumbag. Armed with the memories of her previous life, she decides to team up with his arch-rival, Ye Jinghuai. Together, they stage a fake marriage to expose the true faces of her fiancé and family. But as the fake engagement unfolds, their act begins to feel all too real and genuine feelings start to blossom between them.