Ye Nan Yin, ostensibly an ordinary Chinese medicine practitioner, actually wears many aliases, including the legendary doctor Nan Lao and the leader of a hacker group, Ye Tu. Pei Yuan, ostensibly an ordinary university professor, is actually Erye, the ruler of the world's leading family, the Jidao League. Erye and Ye Tu, longtime rivals, unexpectedly fall in love while living in ordinary lives. When their true identities are revealed, what will become of these two deeply in love?