Rural watch repairman Shen Wannian goes to the city to visit his son, but is looked down upon by his daughter-in-law and in-laws due to his plain attire. After being humiliated, he unexpectedly gains keen object-appraisal eyesight. Using his vision, he sees through fake jade, fake watches, fake paintings, and serial setups, helping female entrepreneur Xu Qinghe resolve a project crisis, while also making his snobbish in-laws and rivals gradually convinced. His son Shen Li regains his sense of responsibility, and family relationships take a turning point. Ultimately, Shen Wannian is hired as the chief antique appraisal consultant for the ancient street project, and discovers an even greater secret.