Song Nuan (Zhao Liying) and Zhou Gege (Cai Wenjing) graduated from the same university, lived in the same dormitory, and had similar family backgrounds. This made the two of them happen to be hired by the same company as interns. The two fledglings had beautiful hopes and expectations for the future. However, they soon experienced the cruelty of the workplace and realized that they were in a battlefield without gunpowder. In the company, Song Nuan met Zhang Sheng (Zheng Kai), a rich second-generation with a rebellious personality. Zhang Sheng tripped Song Nuan everywhere and made trouble, but was resolved one by one by the smart and strong Song Nuan. As time went by, Zhang Sheng gradually fell in love with Song Nuan. At the same time, Zhou Gege also secretly liked Zhang Sheng, and the three of them fell into a complicated and entangled relationship. IT man Zhao Xiaochuan (Zheng Jiabin) has been watching Zhou Gege silently. He saw all her feelings for Zhang Sheng and felt very uncomfortable.