The heroine Tingting, as an older unmarried young woman, works in a counseling institution. The whole story is based on time. Because she attended her cousin's wedding, she discovered that the groom was actually her first love's brother and the best man was her college sweetheart. The world is so big, but I met you... Memories are interspersed, some of which are things I have experienced... A lot of pain, I am still sad to this day, but I know that everyone I meet again will not be you, nor will it be you...