in the first episode "papa's palace of pain", the pair first storm a mansion owned by caesar out in the woods. upon entering the basement, they find caesar has fled, and the disabled scientist jasper guns, whom caesar used, is horrifically mutated from injecting himself with an unknown substance. upon defeating jasper, g and isaac meet varla guns, a stripper and jasper's older sister who vows revenge on caesar. in the second episode, "ballistic trauma", g and isaac track caesar to a hospital that is swarming with mutants. after killing the mutants and a mutant woman called the screamer, they find a ringing phone hidden inside it. caesar answers from the other end and the hospital is set to explode. g and isaac escape in the nick of time with varla on a motorbike. in the third episode, "carny", they stop at a mutant-infested carnival to investigate the mutant situation, in the process defeating former circus-entertainers-turned-horrific-creature nigel & sebastian. afterwards, they continue to follow caesar on an ice cream truck. in the fourth episode, "scream train", they and varla catch caesar at a train station. but they argue over what to do with him: g wants to arrest him, issac wants to avenge his father, and varla wants to avenge her brother. caesar then escapes on a train with g and isaac giving chase while varla is left behind. the pair made their way through the mutant-infested train, defeating a mutated mantis, the crawler, in the process. an explosion causes the train to crash in a swamp where caesar takes varla hostage and drives off before throwing a cassette tape to isaac. in the fifth episode, "fetid waters", g and isaac make their way to the swamps, finding an alternate way to wherever caesar and varla were heading for, and in the process, defeat another boss mutant called the lobber.