Joe Higan is a Nukenin, a former ninja who escaped his clan and is hiding from his violent past in rural America with his family. One night, he is ambushed by a team of assassins from his former organization who exact a bloody retribution on Joe and his family for betraying their ancient code. Rising from his seeming "death". He must face off against trained assassins, combat cyborgs, and rival ninjas to bring down the very clan that made him.