He and she were born in the era of Wu Zetian. For her, he gave up his freedom and became the collar of the secret guard, fighting for love all his life.
She is a descendant of the Celestial Clan. For him, she gave up her eternal paradise, just for the promise of a thousand years.
His name is Zhang Yuanqing, he uncovers the crooked ways of evil gods, and holds a sword for love. He was once the demon lord Chihuang, who went through fire and water for his friends, but fell in love with his fiancée.
Her name is Di Muxue, she walks in the world of troubled times, and she loves her until death. She was once the concubine of the Emperor of Heaven, and she was willing to die for the sake of the common people, but she missed several marriages.