20-year-old Jing Hao came to Shenzhen to live with his young sister alone. The siblings live a warm yet straitened life. In an effort to pay for his sister's expensive surgery, Jing Hao gets an opportunity by chance, thinking that a better life is coming, but unexpectedly encounters a serious setback. Under the pressure of both time and money, Jing Hao, who has no way out, decides to take a desperate gamble. Can this ignite the spark of hope for his troubled ordinary life?