In a small town in the northeast, Wang Kangmei (played by Fan Wei), a big-eared man who has been a train repairman for most of his life, retired gloriously. Wang himself suffers from tracheal disease, his wife is ill and hospitalized, his son Dajun is idle all day, and his daughter Xiaoping and her husband Chunyang also have problems in their marriage. Although many people say that he is blessed with big ears and a happy life, the current situation still makes him frown. With a pension that is half of what he used to have, Wang always feels unsure, so he starts thinking about finding something to do. However, Lao Wang got off to a bad start. His wife's fellow patient introduced him to an online business job, but he never thought it was a pyramid scheme organization, which was banned by the police not long after he joined. After that, he asked various craftsmen such as shoe shiners, donkey riders, advertising promoters, two-person actors, bicycle repairmen, etc. for advice on how to make money, and thus began his own different retirement life...