Xi Feiyang and Xi Feisha are twins. When they were just born, the fortune teller predicted that neither of them would be able to live for 16 years in the modern world. In order to save their lives, the two came to another time and space. A time and space that has not been recorded in history; a time and space whose development level is equivalent to that of China's Warring States Period. What's more important is that the two of them don't know where the other is. In order to find each other, they both deal with the people around them. It seems that they have something to play with...