The group finds themselves trapped in a dangerous game where they must share blood to survive. A brave young woman volunteers first, surprising everyone and blocking all pain using the system. Though others struggle with fear and physical weakness, she insists on helping despite concerns. Tensions rise as Julia warns against relying on others' blood, which leads to a cold confrontation between them. As distrust grows, one member harshly dismisses Julia's intentions, escalating conflict within the team. Suddenly, an unexpected event occurs, leaving their fate uncertain as confusion spreads among them.