In 1997 New York, a retired shadow ninja emerges from years of peace when a monstrous reptilian creature begins terrorizing the city, transforming its victims into hostages and plunging the metropolis into chaos. With stealth and lethal speed as his primary assets, the ninja must confront this relentless threat using traditional weapons and mystical arts, aided only by his loyal canine companion. What unfolds is a tale of two unlikely allies standing against overwhelming odds to reclaim their city from an inhuman menace.