When a door closes, they say another one opens in its place. Yu Nana (Nan Sheng) is a graduate student who has been pursuing her doctorate in psychology for the past eight years. While all of her college friends have secured jobs or married, Nana has been studying hard and preparing for her thesis. All her hard work seems to have been wasted when her thesis fails again and she is denied her Ph.D., plunging Nana into despair. The next day, Nana receives a strange email from Sasai Eisuke (Terada Takuya), a Japanese businessman. Wanting to escape from her failures, Nana takes the stranger up on his unusual offer and sets off for a trip to Japan that will change her life.

중국의 박사생 위나나(배우 난셩)은 5년째 논문과 씨름중이다. 어느날 일본에서 한통의 편지를 받는다. 자신을 아이타 다케시(배우 테라다 타쿠야)라고 소개한 남자는 자신의 죽은 약혼녀와 닮았다며 나나를 일본으로 초청을 하는데...