Qin Chuan and Xie Qiao, who grew up in the same compound, are a pair of happy enemies. Although Qin Chuan is sharp-tongued, not gentle, simple and rough, he has always been by Xie Qiao's side and is Xie Qiao's most important friend. At the beginning of the 21st century, Qin Chuan was sent to the United States by his parents to study, and Xie Qiao was admitted to the university where her secret crush He Xiaozhou was. Xie Qiao became friends with her roommates Qian Xi and Wang Ying, looking forward to a beautiful new life, but was hit by the love between He Xiaozhou and Qian Xi. In order to comfort Xie Qiao, Qin Chuan returned to China and stayed with her to start a business. However, Xie Qiao began to date Wang Ying's childhood friend Yang Cheng, and Qin Chuan could only become Wang Ying's "contract" boyfriend. Qin Chuan and Xie Qiao wasted several years. After experiencing several relationships, the two encountered the Wenchuan earthquake, which was a node in their lives. They discovered that the original long-lasting companionship was the most precious love... Everyone has ups and downs, wins and losses in the embrace of the times. Although they have embarked on different paths in life, their ideals and the courage to struggle and fight still lead everyone to keep working hard.