Yang Tiantian, the male lead, has been single for thirty years. Introverted and academically gifted since childhood, he is also a loner with few close friends, and has always been on his own... For nearly ten years, his family’s relentless pressure to get him married has weighed on him. Then, one day, he attends the wedding of a distant cousin and runs into an old classmate. An unexpected incident turns his ordinary life upside down...