Ji Yaqing (Liu Shishi), a travel magazine editor, is exhausted in the urban jungle every day, and her relationship with her fiancé Zhiyuan is becoming more and more boring. On the eve of the wedding, Yaqing went to Pu'er, Yunnan to complete a special project for her friend. When she arrived in Pu'er, Ji Yaqing accidentally discovered that a Taiwanese old man who was about to die missed his first love, so she decided to change the topic and pursue the old man's first love. Xu Nianzu (Vic Chou), a painter, has always lived a life of his own. The death of his grandfather made him realize the regret of not accompanying his grandfather. He was determined to fulfill his grandfather's last wish and embarked on a journey to Pu'er, Yunnan, his grandfather's hometown. Ji Yaqing and Xu Nianzu met unexpectedly in Pu'er. The two who didn't know each other found that they were looking for the same person, so they joined hands to embark on this journey of finding love. Along the way, the two people who originally had completely different outlooks on life and love went from constant friction to mutual attraction. After witnessing a long-lasting love across time and space together, do they have the courage to face their feelings...