Wu Jun, a food-stall chef, works until the small hours every night to save up for the bride price. One day, he gets drunk and heads home early. When he returns to his rental apartment, he finds his girlfriend in bed with the landlord. Overcome with rage, he faints.
When he opens his eyes again, he discovers that he has transmigrated into a courtyard house in the 1950s or 60s, and into the body of the thoroughly loathsome He Daqing.
To keep the tragic fate of the original He Daqing and his cheap son He Yuzhu from playing out before his eyes, Wu Jun uses the transmigrator’s perk, the System, to give the leeching beasts and two-faced schemers of the courtyard a thorough dressing-down. He also makes sure to teach his clueless, foul-mouthed cheap son, Silly Zhu, a lesson…