Após um acidente tóxico ter ocorrido próximo de uma pequena cidade do interior dos Estados Unidos, várias aranhas venenosas são expostas à radiação e crescem em proporções monstruosas, ameaçando toda a população local.
Everyone who enters a crime scene leaves something behind and takes something away. "Something Left, Something Taken" is an animated dark comedy about a vacationing couple's encounter with a man they believe to be the Zodiac Killer.
Victor has a scuffle with a thirteen-year-old boy who is part of a gang. Hours later he finds his beloved dogs murdered. He gets his gun and begins a journey on board his pick-up truck on a path that will take him across the hostile land of Sinaloa. In his search for clues he will meet disturbing and eccentric characters who may or may not tell the truth about the whereabouts of the young criminal.