In a futuristic world where time travel is possible, a police officer embarks on a mission to protect a scientist whose invention could change the course of history. The film stars Andy Lau, a renowned actor known for his versatile roles, and is directed by Jing Wong, a prolific figure in Hong Kong cinema. The narrative explores themes of duty and sacrifice, set against a backdrop of advanced technology and thrilling action sequences. This sci-fi adventure can be viewed for free on 123Movies / Movies123.