Tang Buyan, the eccentric head of the Tang family is looking for the foretold "destined person", said to have a mole at the corner of his eye, who will help unravel the problem of her family's bloodline. By coincidence she meets Li Chengxi, the cool and elegant head of the Xuanqi sect, and they find themselves embarking on a hilarious journey together in search of the man with the teardrop mole, all while fighting monsters, cultivating friendships, and finding love along the way.