Wang Dan, an ordinary second-level graduate, plunged into the career trend of Shanghai Shengke Group. From the confusion of a new HR person, to the dilemma of middle management, to the strategizing of high-level strategies, she faced opposition from her colleagues, overcame the resignation crisis, and survived organizational changes. After struggling all the way, Wang Dan used professionalism as an edge and tenacity as a shield, and finally broke out of his cocoon and became a butterfly. He found his own way to advance in the workplace and found a balance between career and life.