Snow falls thickly, tearing apart the illusion of past affection. In the past, Su Tan always gave in and made concessions, ultimately suffering separation from her loved ones and a heart full of regrets. After awakening once more with memories of her former life's regrets, she resolutely produces a divorce agreement when Xiao Qiyuan urges her to surrender her position as his principal wife to accommodate the frail and sickly Ruan Jun. However, her former husband deliberately signs carelessly, intending to keep her trapped in the General's residence indefinitely. When she finds herself caught between a rock and a hard place, Prince Linjiang, Xie Weizhi, who has long been the subject of public gossip, takes the initiative to offer her a helping hand. She clears away layers of misunderstandings to uncover the reasons behind past events, investigates the truth of her elder brother's disappearance, protects her loved ones amid the vast mortal world, discovers a sincere and dependable love, and lives a composed life of her own.