Li Zi Yu (Qiao Xin) is a simple, kind-hearted and righteous girl. She starts working at a public relationships company, but unfortunately meets a difficult boss. The boss Fan Shu Chen (Leon Zhang) is a talented hidden rich heir who is very hostile towards Zi Yu, making Zi Yu tremble with fear every day. What she doesn’t know is that company secrets have been leaked since the day she started working and Shu Chen is thus heavily suspecting her. But gradually, the two start to appreciate and admire each other. However, Shu Chen’s three best friends each have their theory on Zi Yu’s identity, making Shu Chen all confused. When Shu Chen’s rival Luo Zong Liang (Yao Yi Chen) appears, it becomes known that Zong Liang and Zi Yu have some sort of relationship which anew arouses suspicion that Zi Yu could be a spy sent by Zong Liang. What is the truth behind everything? And will Zi Yu and Shu Chen’s love-hate relationship have a happy end?
The story takes place close to new year and along with it comes a bevy of new challenges. Andy (Liu Tao) welcomes a romance with wealthy heir Bao Yi Fan (Yang Shuo) yet his complicated background becomes a problem. Fan Sheng Mei (Jiang Xin) attempts to start anew but she feels constricted by her family and increasingly frustrates her boyfriend Wang Bo Chuan (Zhang Lu). Qu Xiao Xiao (Wang Zi Wen) and Zhao Qi Ping (Wang Kai) have a hard time seeing eye to eye, breaking up and getting back together many times over. Qiu Ying Ying (Yang Zi) is passionately in love with Ying Qin (Wu Hao Chen) and gives the relationship her all. Guan Ju Er (Qiao Xin) has fallen head over heels for young rocker Xie Bin (Deng Lun) in spite of her parents objections.