26-Year-old Su Manqing ran away from her family's wedding, cut off ties with the wealthy family, made a living by doing street portraits, and closed her heart in loneliness. Until the girl Ke Xin holding a sunflower broke into her world, melting her frozen heart little by little with her bright smile and warm love. From their first meeting in the night market to their mutual companionship in the studio, they found the resonance of their souls in the world of fireworks.