There was a businessman named Chang Hai who grew up in a small town and had an income of tens of thousands of yuan. While Chang Hai was living his life casually on the pile of money, he unexpectedly ended up in a parallel world. Chang Hai of the parallel world returns to the first love he abandoned through thick and thin. I have to go through the life of a brother and sister, so a rich man Chang Hai can't live, so he has to try to go back to his world. When he tries to return to his original world, we have to watch with humor the mistakes and how he tried. For those who like Chang Hai, when he returns to his world, he doubts whether the happiness he received is real happiness and how he tries to return to the true happiness of life.