玩世不恭的李龙出狱后，和小虎一起去取回宝藏图，但常遭黑衣女郎的追杀。另一方面他又处处被警探监视，唯恐他又惹事。后来他找到绰号龟仔的人，要取回宝图，却又遇上黑衣女郎的追杀，原来他被误会是杀兄凶手。宝图无意中被烧，后来从梦西的口中得知烧了的宝图是假的。真的那张早在他入狱前已交给他。
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.
警官哈金卧底潜入红虎帮，并成功赢得该帮派的信任。他不仅成功揭露了他们的罪行，还必须直面这些残暴的罪犯。然而，他遭遇背叛，陷入道德困境，在不为人知的情况下为维护正义而战，他的忠诚度也受到了考验。
