The top student Deng Yu and the office worker Lu Ming met by chance and found that they looked exactly the same. Taking this as an opportunity, the two began a wonderful experience of exchanging lives. Deng Yu helped Lu Ming get a job in a multinational company with his straightforward enthusiasm, and Lu Ming's maturity and handsomeness helped Deng Yu successfully pursue his sweetheart. However, crises and accidents also hit one after another with the exchange of the two, completely disrupting their lives.