Louxiaolou, a 33 - year - old divorced doctor, and Sang Ya, a 16 - year - old lonely girl, both have strong interest in Qimen Dunjia, the "king of Chinese alchemy". However, happiness ended abruptly on a rainy night with thunder and lightning. The girl died and the man grieved. He accidentally peeked through the sky, so he went to the past, came to the future and started a lifesaving through time and space.
