On the sunny university campus, four girls are acting out their own growth paths. Cui Jiajie, a girl from the countryside, supported herself but embarked on a road of partial wealth, and was finally persuaded to retire; Little Lily lives in a wealthy family, but is extremely strict with her parents, and her one-by-one life is finally released in college, but she doesn't know that being an adult requires responsibility and price; Guo Bixi, who fell in love with a married foreign teacher at the beginning of his love, gave up his selfish desires in wandering and entanglement, grew up, and understood that love is not possession, and there are more important things in life in addition to petty love; Chen Chuchu, her parents are divorced, she has never received family affection, only money. She has low self-esteem but is beautiful, and with the help of her teacher, she changed departments and met three good friends, Cui Jiajie, Xiao Lili and Guo Bixi. Although, her life was short, but she did not regret that at the end of her life, she got friendship. College is a particularly important year for girls, these four girls, in their respective lives to grow hard, although they encountered a lot of ups and downs, but eventually became blooming orchids, the so-called incense, from the inside out.