Yang Jiulang, an overworked corporate designer, unexpectedly becomes bound to a female investment system. Starting by helping the troubled young woman living across the hall pay off her debts, he uses kindness and ability to support Li Xiaoli, Hou Qinqin, and others as they find their way out of trouble and regain hope for life. He also overcomes his own cowardice and inferiority complex, stands up against injustice at work, and finds sincere relationships in life, completing a positive transformation from an exploited office worker into an independent, strong individual.