Combat everybody and belief nobody: it is the code of survival practiced by martial-arts grasp Casey Bowman after his life of home bliss is shattered by a savage act of violence. Vowing revenge, the fearless American stealthily tracks the killer from Osaka to Bangkok to Rangoon with the assistance of a clever and artful sensei. His solely clues: a collection of victims whose necks bear the distinctive mark of strangulation by barbed wire. Combating to avenge in addition to to outlive, Casey should sharpen his razor-like responses and take his battle expertise to the subsequent stage, even utilizing deep meditation to faux his personal demise. His goal: the sinister drug lord Goro, who’s flooding the streets with lethal meth cooked at his distant jungle manufacturing unit. To organize for his final confrontation, Casey should lastly change into an invisible warrior worthy of the identify Ninja. However simply when his prey is cornered, an surprising twist reveals Casey that his battle is barely starting: he really can belief nobody.