In the hustle and bustle of the urban jungle, three girls with very different personalities - Ran Ran, Ali and Xiaojiao - started a career adventure full of laughter and tears together, composing a sincere and touching song of sisterly love, and they also continued to explore and grow in the wave of love. Under the high pressure of work, they support each other and share each other's joys and sorrows; in the whirlpool of love, they listen to each other and give the warmest comfort and the most pertinent advice. They worked overtime in the office late at night together, walked together in the bustling streets to talk, and bounced back from the pain of broken love together. Their story is the most realistic portrayal of the urban workplace, full of laughter and tears, setbacks and growth, witnessing the indestructibility of sisterly love and showing the beauty and complexity of love.