In order to escape the trauma of the past and avoid his father-in-law's fight for the custody of his daughter, Chinese boxer Gao Ran gave up his boxing career and lived in seclusion in Siem Reap, Cambodia, earning money to support his family and living a stable life with his daughter by accompanying the second generation of rich people to practice boxing. However, a sudden accident broke this peace. Gao Ran's daughter was involved in overseas gang crimes and her whereabouts were unknown. Gao Ran was eager to save his daughter, so he went deep into Southeast Asia alone and started a desperate fight with the dark forces.