어린 시절 린거(리홍기)의 유일한 친구는 치우첸(이일동)이었다. 치우첸의 전학으로 헤어진 두 사람은 고등학교에서 재회하고 서로에게 호감을 느끼게 된다. 린거의 생일을 함께 보낸 그 날, 마음을 고백하려던 순간 교통사고로 치우첸을 잃고 만다. 절망에 빠진 린거는 그녀를 살려달라며 애원하고 기적처럼 시간을 되돌려 치우첸을 구한다. 하지만 손목시계의 신비한 힘을 빌린 대가로 존재하지 않는 사람이 된 린거는 모두의 기억에서 지워지는데… 어긋나버린 시간의 끝에서 두 사람은 다시 만날 수 있을까?
Lin Tianjiao is the top girl in her school. During one of her tests, she resorted to copying from notes, and is spotted by Gao Xiang, who is considered a wayward student. When the note was discovered by the teacher, Gao Xiang chooses to claim responsibility for trying to cheat. Lin Tianjiao feels apologetic towards Gao Xiang, and begins their friendship. Meanwhile, Lin Tianjiao's good friend, Lu Tiantian is courting Ou Xiaoyang. However, due to his poor academic standing, Lin Tianjiao ignores him completely. Classmate Huang Tao is secretly in love with Lin Tianjiao, but is too shy to express it. As a result, he and his best buddy, Li Tao are at loggerheads with Gao Xiang.
Lin Tianjiao is the top girl in her school. During one of her tests, she resorted to copying from notes, and is spotted by Gao Xiang, who is considered a wayward student. When the note was discovered by the teacher, Gao Xiang chooses to claim responsibility for trying to cheat. Lin Tianjiao feels apologetic towards Gao Xiang, and begins their friendship. Meanwhile, Lin Tianjiao's good friend, Lu Tiantian is courting Ou Xiaoyang. However, due to his poor academic standing, Lin Tianjiao ignores him completely. Classmate Huang Tao is secretly in love with Lin Tianjiao, but is too shy to express it. As a result, he and his best buddy, Li Tao are at loggerheads with Gao Xiang.
