Synopsis：Martial arts expert An Yuhuan gets caught in a crossfire of a double-crossing conflict after a mysterious box goes missing. A bloodthirsty gangster assassin begins a deadly game of cat and mouse with him. To save his sister, who is his only family, An Yuhuan fights barehanded against overwhelming odds, risking his life in a final showdown with the gang leader. This time, he decides to use his fists to reclaim the purest form of justice and fight for what is right.