Lin Jianjun is reborn in 1980 and discovers that he has returned to the night before he fell out with his wife and children. This time, with the help of a mysterious "Happy Life" System, he intends to reclaim everything he lost, win back his wife, raise his three kids well, and care for Da Huang, the unusually intelligent mongrel. Amid the tide of reform and opening up, he plans to use his memories of a previous life to build a business empire, but more importantly, he must make up for how badly he let his family down before.
