Lu Yanchen and Gui Xiao were each other's first love but separated after graduation. Years later, they meet again and realize that the sparks are still between them.

Jing Boran, Tan Songyun, Zhang Baijia, Li Mincheng, Zhang Qiaoer, Zhang Enshuo, Wang Hao, Liang Tian, Niu Junfeng, Sha Baoliang, Hai Ling, Lu Yupeng, Xu Rongzhen, Gong Rui, Wu Yufang, Song Ningfeng, Guo Xiaotian, Li Mozhi, Liu Lu, Su Xin, Zheng Jiabin, Wu Chengze, Sun Yali, Gong Yixing, He Qiang, Yuan Ruohang, Chen Yu-Cheng, Pang Cong, Li Siqi, Song Yixiong, Liu Changchun, An Ziyang, Liu Mingming, Wen Sheng, Xue Yubin