In this episode, Mason realizes the rat meat they ate was rotten and causing a painful infection. He frantically begs Gary for help, fearing he will transform into a monster. Gary admits he doesn’t know a cure and resents Mason for previously trying to harm his partner, refusing to help him. Mason's desperation turns to rage as he threatens to kill them all. The episode ends with a tense confrontation unresolved, leaving Mason’s fate uncertain and the group on edge about what will happen next.