Li Cheng desperately wants to get fired so he can collect severance pay. During property viewings, he uses a decibel meter, ping-pong balls, and a measuring tape to relentlessly expose the flaws of the properties, warning clients away from noisy apartments and formaldehyde-contaminated homes. Unexpectedly, his videos go viral, turning him into the internet-famous real estate agent who helps people avoid property pitfalls. When his boss forces him to livestream the promotion of a dangerous apartment, he exposes the truth in front of everyone. He later uncovers developers' traps and takes on capital monopolies. Through his honesty and sincerity, he rises to become a top real estate agent while defending the industry's conscience.