Fight everyone and trust no one: it's the code of survival practiced by martial-arts master Casey Bowman after his life of domestic 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 help of a wise and crafty sensei. His only clues: a series of victims whose necks bear the distinctive mark of strangulation by barbed wire. Fighting to avenge as well as to survive, Casey must sharpen his razor-like responses and take his battle skills to the next level, even using deep meditation to fake his own death. His target: the sinister drug lord Goro, who is flooding the streets with deadly meth cooked at his remote jungle factory. To prepare for his ultimate confrontation, Casey must finally become an invisible warrior worthy of the name Ninja. But just when his prey is cornered, an unexpected twist shows Casey that his battle is only beginning: he truly can trust no one.
In a world with no guns, a mysterious drifter, a bartender and a young samurai plot revenge against a ruthless leader and his army of thugs, headed by nine diverse and deadly assassins.
A westerner named Casey, studying Ninjutsu in Japan, is asked by the Sensei to return to New York to protect the legendary Yoroi Bitsu, an armored chest that contains the weapons of the last Koga Ninja.
In 1908, Titoe leaves her country, Japan, to try her luck in Brazil. Her intention is just to get rich and return in five years. But life has other plans for her.
Riyo, an orphaned 17-year old, sails from Yokohama to Hawaii in 1918 to marry Matsuji, a man she has never met. Hoping to escape a troubled past and start anew, Riyo is bitterly disappointed upon her arrival: her husband is twice her age. The miserable girl finds solace with her new friend Kana, a young mother who helps Riyo accept her new life.
