Ye Jinse, a girl from an ordinary family, is naturally optimistic and humorous. From an ignorant girl to an urban white-collar worker, she has to deal with one setback after another in her growth, career, love and family. Faced with academic and family pressure, workplace challenges, friendship twists and turns, and emotional choices, Jinse constantly reverses life's difficulties with wit and self-deprecation. The company of her best friend Lin Xinran and her rival Zhao Yao, the mutual acquaintance of the male patron Gu Yunchu, and the return of her ex-boyfriend Tang Yi made her reflect on herself and complete her mental maturity. After crisis after crisis, laughter and tears, Jinse smiled at the mortal world and finally became the protagonist of her own life.