Luna, an AI system, informs two newcomers they've joined her master's team, linking their survival to his fate and explaining that only zombie bites cause infection. After earning points by killing a zombie, they learn they can unlock new system functions by recruiting beautiful women with specific skills. Meanwhile, a woman anxiously waits for Calvin to arrive, fearing the dangers around her. Calvin is delayed but reassures her he’s on the way. The woman and her companion plan to seize Calvin’s company car for their escape and intend to abandon him once they’re safe, revealing a darker side to their alliance.