On Bone Vault Seven, a hollowed-out asteroid cryo-vault in zero-g, a corporate biological storage facility has been compromised by an alien root-network. A corporate extraction team and a civilian consultant enter the frozen tunnels to retrieve valuable biological patent samples, while dormant predators called Glowkites cling to the upper structures.

The extreme cold keeps the network dormant in the walls, but the squad's combined body heat triggers a flash-biological quorum, causing the creatures to drop from the ceiling in a silent, gravity-driven assault. As the mercenaries try to hold a defensive formation, the root-network extrudes from the bulkheads and sprays a polymerizing foam that caches live soldiers to use as nutrient sources and incubators.

Ninety-second pressure lock cycles drain the team's limited suit battery power, an ...