"Iceman" tells the story of He Ying, a Ming Dynasty warrior who is frozen during a mission and accidentally thawed out in modern-day Hong Kong. Waking up 400 years later, he must navigate a completely foreign world filled with modern technology, while being pursued by other revived warriors from his time who are out for revenge. Along the way, He Ying forms a comedic and heartfelt friendship with a modern woman named May, and together they uncover secrets from the past that could alter the present.