The Love Story of Middle Age is set in a bustling city. The male lead, Lin Qiang, is an ordinary man nearing forty. He once had a failed marriage, and after the divorce, his career hit rock bottom. He now works an ordinary office job at a small company, living a humdrum life. After his past failure, he has almost lost faith in both love and life. The female lead, Su Yao, is a successful career woman in her thirties and a middle manager at a large corporation. Beautiful, confident, and independent, she has always been too busy with work to pursue love. Her high standards have also discouraged many suitors.