In her past life, Liu Ruyan was infatuated with the humble scholar Pei Jian, sparing no effort to use the Liu family's influence to help him reach the pinnacle as prime minister. After thirteen years of wholehearted dedication, she only got in return his deep affection for his white moonlight, Su Qingyu, ultimately dying of exhaustion and resentment. Reborn back to the age of fifteen, just as Pei Jian falls into the water and encounters danger, she coldly turns around, leaving Pei Jian and Su Qingyu to meet. She no longer chases after romance, relies on memories of her past life to protect her family, shines brilliantly at the flower viewing banquet, and encounters the Seventh Prince, Xiao Jinyu. The two share a mutual sympathy, establish an engagement, and join hands to pacify the court turbulence. Facing Pei Jian's belated regret and overtures, Liu Ruyan remains completely unmoved, ultimately ascending to the empress's seat and living out her own happiness.