Being an assassin has its rules – always keep your eyes on your target, be strict on your mission, execute without any hesitation and there is no room for negotiation. Each killer has his own background, but all of them have trade in their blood and losses. For Natee, his only reason in becoming an assassin and leaving behind his brother and his uncle is to find the truth about his parents’ death. It is the issue that he has always doubted and felt that uncle Thanom was hiding something from him. While protecting Ploy, a niece of a local business man from a group of assassins, he was asked to kill the girl instead.