Description：Lou Yaoming (Wang Haoxin) has just broken up with his girlfriend and lost his job. His only place to live was rented out by his girlfriend to a piano teacher named Cai Jianjing (Li Shihua) without permission. Lou Yaoming, who had nowhere to go, was forced to agree to all the harsh demands made by Cai Jianjing in exchange for the qualification to share the house with her. At first, fierce quarrels often broke out between the two people with completely opposite personalities. However, as time went on, Lou Yaoming gradually discovered the soft and hurt heart hidden behind Cai Jianjing's layers of armed appearance. Lou Yaoming couldn't help but fall in love with Cai Jianjing, who was tough on the outside but soft on the inside. Lou Yaoming found a new job and got to know his intern Zhu Biji (Chen Lixiang). Zhu Biji fell in love with the steady and reliable Lou Yaoming, but his heart had already been broken.