In a post-apocalyptic Los Angeles ravaged by zombie-like cannibals, local man Renchard fights to survive as he searches for radio signals and a cure for the genetic infection that has transformed humans into feral creatures. With 24 hours to find and rescue fellow survivor Brianna, carrying what might be the key to a cure, Renchard must navigate treacherous terrain, avoid deadly bombs, and confront ruthless enemies in a desperate bid to save humanity.