Haunted by the horrors of a bloodbath he devised, Tetsuo is crushed by guilt. With his village now reduced to ruins, Tsukuyomi gives Tetsuo an ultimatum-to die by the sword, or to avenge Tsukuyomi's fallen brothers and sisters by fighting Kubo head-on. In a final showdown of brains versus brawn, Tetsuo must employ every last trick up his sleeve to defeat the monster behind the massacre and reunite with his family.