Raised suckling poison arrows among the sparring Iga ninja factions, Mumon (Satoshi Ohno, of idol group Arashi) is a carefree 16th-century mercenary. When the ninja council makes a power play…

They famously say that all the hippies of the '60s ended up becoming nothing more than bankers. Amidst a resurgent Japan of the 1960s four young men aspire to respectively…