Orphan Su Ahe takes care of her sickly younger brother alone, overwhelmed by debts. In a desperate situation, she accidentally meets Bailin, an auspicious beast of heaven and earth. Legend says Bailin can grant people's wishes, and Su Ahe's wish touches him. Bailin transforms into human form and stays by her side, becoming her husband. With his auspicious power, he helps Su Ahe resolve life's difficulties, protecting the siblings to live in peace and stability. Accompanying each other, they hand in hand cross the heavy hardships in life, writing a gentle and healing fantasy romance amidst the mortal world of fireworks.