"You never know that two missed calls will lead to the loss of two loved ones, and your life will change forever." The beautiful girl Jin Tian (played by Wang Likun) was betrayed by her fiancé, and her only relative in this world, grandma Chen Lanxin (played by Xu Jinglei), also died of illness. This desperate girl suddenly lost the direction of her life. In her hesitation, she pulled up her suitcase and flew to the romantic city of Prague. As for why she came here, she didn't have a definite reason, perhaps because this was where her grandma lived when she was young. Jin Tian didn't want to be as muddleheaded as before, she tried to do something extraordinary, so she met the handsome cellist Peng Zeyang (played by Wu Yifan) in a noisy dance hall. In the name of love, Jin Tian seemed to have established some kind of connection with her deceased grandma, and the love affair that happened to Lanxin decades ago seemed to be repeated in a different way. Lingering on the romantic riverside, men and women are moving towards an unknown direction...