A secret love, across mountains and rivers. For Gu Weiguang, nothing could stop him from chasing Xia Nian. But for Xu Xiannian, anything could make her stop running, except Gu Weiguang. Gu Weiguang: "I have been chasing you for so many years, so I can't turn around and wait for me?" Xu Xiannian: "I'm sorry..." Gu Xia has passed away, why not find a lover? Therefore, summer has not passed away, and your beloved is always by your side.