In the Ming Dynasty, He Ying, an imperial guard, is wrongfully accused of treason and ambushed by his fellow guardsmen Sao and Niehu. During the battle, a massive avalanche buries them alive, freezing the combatants in time. Four hundred years later, their frozen bodies are unearthed in modern-day China and inadvertently thawed. As they awaken in a world unfamiliar to them, the ancient warriors struggle to comprehend new technology and societal norms. He Ying soon realizes that his rival Sao survived as well, reigniting their centuries-old conflict.

He Ying is on a mission to clear his name and seek justice for the betrayal. With the help of a local woman named May, who becomes an unexpected ally, he traverses the culturally bewildering landscape of contemporary China. Meanwhile, Sao pursues his own agenda, leveraging modern advancements to gain an upper hand against He Ying. Both men grapple with their past while navigating a future that seems out of reach. Torn between honor, vengeance, and survival, their paths inevitably lead to a climactic confrontation.