This book tells the life experiences and life stories of four girls, Yu Can, Zhou Ling, Zhang Xin, and Zhu Xiaoxiao, from the age of 13 to 29, from campus to workplace, from workplace to marriage. The laughter along the way, the bitterness and happiness, the ups and downs, the trivial things... Growth, these two words are too lonely, and freedom, these two words have too many frames! Four girls, four personalities, interpreting four different lives...