A catastrophic event has occurred at a Martian research station, halting all scientific activity and communication. The only ones allowed to enter or leave are the elite Rapid Response Tactical Squad, a team of heavily armed and trained Marines, who must confront an unknown threat with limited understanding of the situation.

Doom
A group of elite warriors is dispatched to a Martian research station to uncover the source of bizarre happenings, only to discover they are up against highly advanced, deadly killers created through genetic engineering.