Jing Hao, 20, moved to Shenzhen by himself to live with his small sister. The siblings have a comfortable but limited existence. Jing Hao gets a chance by chance to pay for his sister's pricey surgery, hoping that a better life is on the way, but he suddenly encounters a significant setback. Jing Hao, who is needy for both time and money, decides to take a reckless gamble. Can this spark a spark of hope in his tough everyday life?