田舎の鉱山町の住民は、不幸な化学物質の流出により、何百もの小さなクモが一晩でSUVのサイズに変異したことを発見しました。 その後、鉱山技師のクリス・マコーマックと保安官のサム・パーカーが、保安官の幼い息子のマイク、娘のアシュリー、そしてパラノイアのラジオアナウンサーのハーランを含む町民の折衷的なグループを動員して、血に飢えた8本足の獣と戦う。

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.

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.