The handsome young man Lu Jiayan started on a stowaway boat and gradually emerged in the treacherous world of the port city with the help of a mysterious system. Facing the pursuit of the marine police, gang disputes and complicated interpersonal relationships, Lu Jiayan relied on his resourcefulness and courage to avoid danger time and time again. Not only did he win the "brave heart" in a life-and-death struggle, but he also gradually revealed the secret of his rebirth amidst the undercurrents of Hong Kong City, vowing to change his destiny and become a new generation of police legend in Hong Kong.
