Godkiller

Based on the cult-hit comic book of the same name, the post-apocalyptic animated film GODKILLER follows the story of a 16 year old boy named Tommy, who cares for his sister in a cut-throat border town. When he learns his sibling needs a new heart, Tommy embarks on a quest to the Outer City, hoping to save her life - if he can keep his own. (official distributor synopsis)