"Dead Space: Collapse" is a plot prequel to the computer game "Dead Space 1": On the colonized planet AEGISVII, the Unification Church learned about the Red Marker that the Earth government had hidden and blocked. Then they sent the Ishimura to AegisVII for so-called mining operations, but in fact they were recovering the Red Marker. The Ishimura and the engineers of AEGISVII came into contact with the MARKER and began to transfer it. During the transfer, the staff began to hallucinate, and then began to mutate and kill each other. At the same time, the residents of AEGISVII began to become abnormal. Knight and Will began to investigate the residents' riots, but found that things were out of control...