A retired Chinese soldier, Lei Jun, finds himself in a race against time when a terrorist attack targets a Chinese community abroad. With only 12 hours to act, he must summon all his strength and courage to protect his fellow citizens and survive the dire situation.

Chu Tiankuo, who was born as a gangster, was framed to participate in the gambling king competition to win the golden mask. During the competition, he was framed and rescued by a princess of an alien tribe and accidentally got the clue of the golden mask. Unexpectedly, the various people who were looking for the mask got the news and waited for an opportunity to move. A peak confrontation immediately kicked off at the border. During the confrontation, Chu Tiankuo also accidentally learned about his father's experience. For his father and his own mission, Chu Tiankuo resolutely threw himself into the battle.