Poor young man Lin Que unexpectedly inherits a dilapidated old apartment building and activates the Black-Hearted Landlord System! He attracts a group of down-on-their-luck tenants with a bargain monthly rent of just 200 yuan, then devises all kinds of value-added services to generate extra income. While charging fees in every possible way to squeeze out every last penny, he renovates the apartment building and sets up a shared kitchen and an esports room. Unemployed young people, civil service exam candidates, frustrated white-collar workers, and struggling livestreamers gather in the little building. The tenants turn their lives around and transform themselves, while Lin Que uses the system's ability to mirror their futures to earn effortless profits from their future earnings. The shabby little building becomes the setting for a series of hilarious, down-to-earth success stories.