Based on the best-selling fantasy novel “To the Sky Kingdom” (Tang Qi), ONCE UPON A TIME is a story of epic battles, deep passion, life-threatening evil, and the power of magic. Bai Qian, a goddess and monarch from the Heavenly Realms, is sent to the mortal world to undergo a trial to become a High Goddess. There, she meets Ye Hua with whom she falls in love and marries. However, when an old enemy reappears in her life, everything she holds dear becomes threatened. Spanning a thousand years of tangled lives, ONCE UPON A TIME is an epic tale of the powerful forces that drive mortals and gods alike toward revenge, loyalty, and love.