Bai Lang is Asia's top contract killer. He never misses his target, he always follows his code, he never hurts the innocents. But when a wannabe hit man, Tan Yi Xiao, in Shanghai claims to be the World's best killer for Bai Lang it becomes personal. The hunt begins as Bai Lang sets off to prove who is really the number one. But troubles are just about to start as Tan Yi Xiao long lost twin crosses path with the two killers. Who is who? And who can survive a standoff with Bai Lang?