At the end of the Eastern Han Dynasty, Qiao Er, who was proficient in Feng Shui, Yin and Yang, and the art of performing stars, was forced to go down to the tomb with his wife to search for the longevity stone. However, the tomb collapsed and everyone was buried underground. When Qiao Er woke up again, he found that he was in the Republic of China. He knew nothing about contemporary society and met Xiao Feiying, who looked the same as his wife. With the help of everyone, Qiao Er will go to the grave again to find his lover.