Guo Xinnian, a young software engineer. He accidentally decided to research and develop a new kind of mobile IM software which is going to use voice message to instead of the normal text messages. He excitedly got on his entrepreneurial way with the help of the investors and his friends. After their hard researching, the app was finally published. Guo has achieved great success because of that and met an investment analyst called Na Lan. They became friends with complete mutual understanding. But soon, a lot of troubles have arrived. Guo and Na fell in love with each other when they were solving these problems. What will Guo finally do to save his career and authentically achieve his dream?