本片是李小龙之子李国豪回港发展的处女作。可惜剧本写得俗套，而他本人的演技也略显幼嫩，因此并未能一炮而红。数年后他转往好莱坞拍片，却又在即将走红之际意外身亡，令人感到唏嘘。本片由于仁泰导演，描写胸无城府的国豪以为自己帮忙好友郭宝（王敏德饰）而误杀警察，入狱六年。其实这是郭宝故意布下的陷阱加害国豪，并趁机强奸其女友。国豪知悉真相后想逃狱报仇，未成。六年后，郭宝接手其父的黑道事业，更加无恶不作，已经成熟的国豪决定勇闯虎穴讨回公道。
Korea’s most intimidating actor, Heo Sung-tae (Squid Game), stars as Detective Oh Nam-hyuk—a well-meaning but spectacularly inept cop clinging to his badge by a thread. When a botched sting operation lands him in over his head, he’s forced into an unlikely partnership with Tae-bong (Jo Bok-rae), a razor-sharp informant whose cover (and savings) are blown by Nam-hyuk’s bumbling. With a smuggling ring to bust, a fortune to recover, and zero trust between them, the mismatched duo must navigate double-crosses, blown covers, spectacularly stupid raids, and bruised egos.
Kyohei Aizawa, an assassin for a covert non-governmental espionage group in Japan called "SEEK", is grieving over the loss of his girlfriend from a tragic plane accident. The leader of "SEEK",Ryo Mikumo, contacts him for an emergency mission; save a fellow agent, recover a new highly explosive liquid called "RDX@", stop a ruthless Yakuza leader, Sojiro Kotsuki, and his gang before they take over Japan. Although the Ninjas were thought to have disappeared... the new breed of assassins live on helping to protect Japan and all that is right; the Ninjas are coming soon.
