Construction worker Fang Haoming witnesses a billboard falling on the street and desperately pushes away Liang Yao, who is looking down at her phone, getting injured himself. Instead of being grateful, Liang Yao demands compensation for her phone, and nearby shop owner Tang Zijin steps forward to help Fang Haoming out of the situation. Afterward, holding a grudge, Liang Yao gets people to maliciously leave bad reviews to retaliate against Tang Zijin's shop. Fang Haoming and his apprentice Zhou Min investigate the truth and help Tang Zijin appeal and protect her rights. Later, Fang Haoming's mother suddenly falls seriously ill, and Tang Zijin generously helps out. Construction worker Lao Zhou is injured due to a lack of safety gear, and Fang Haoming teams up with Tang Zijin and video blogger Zhao Xiaobei to expose the construction site's violations and seek justice for the worker. After going through many twists and turns, kind people support one another,