The book describes two friends in their school days, the heroine Lin Yutong and the heroine Er Ye Tianling, who each entered society and experienced love, friendship, and work. From the reader's point of view, the heroine Lin Yutong is the eldest in the family, and she is not as good as her younger sister in household chores. She knows nothing about the world of people in life, from the beginning to the end. In the end, she is a sickly giant baby, she is sober and confused, stupid and stubborn, while the heroine Erye Tianling is much more neat and tidy, has a clear plan for her own path, and breaks off the irrevocable relationship immediately, so that the two people gradually widen the gap in their respective lives... The final ups and downs of the two people make people sigh.
Purpose: Everyone must go through a painful transformation in their growth, and only by firm belief can they become immortals.