Affected by the general environment, Xiao Shu, a construction worker, was sent to the talent pool by a certain Bureau of China Construction. He spends all day playing Douyin at home. His wife dislikes him and his parents nag him. One sunny afternoon, the male protagonist Shu Hu is leisurely browsing side videos. The charger of his mobile phone, which has been in disrepair, leaks power and unexpectedly allows the male protagonist to travel back to the Song Dynasty. Using the professional construction skills of the 21st century, what interesting things will happen to Xiao Shu in the Song Dynasty?