Yang Tianran, a male protagonist who has been single for 30 years, is introverted and has excellent grades since he was a child. However, he has a withdrawn personality, so he has no close friends and has always been alone... The family's efforts to get married in the past ten years have made him feel more pressure. On this day, a distant relative and cousin are getting married, and he meets an old classmate again. An accident breaks his ordinary life.
A lifetime….