Two strangers' worlds collide after a Beijing traffic accident results in the husband of Yu Miao shooting and killing the girlfriend of young, penniless Xu Tian.

Jin Tian, a young woman who recently got dumped by her fiance and lost her grandmother, Chen Lanxin. Feeling heartbroken, she travels to Prague, the place where her grandmother once spent years of her life. In her grandmother's belongings she finds a letter from 1970. In Prague, Jin Tian meets Peng Zeyang, a young single father who lives with his daughter and mother. The two develop a mutual attraction during their journey on searching Josef Novak, her grandmother's past lover.

Junhao declares to go to Sicily to learn opera and ends the relationship with his fiancée, Xiaoyou. In disbelief, she determines to learn the truth behind his sudden decision. Lee Joon-gi has teamed up with Lin for his first Chinese film.