For the past 16 years, a war across space has been raging between the United Terran Alliance and the Mendelian collective...

The previously uninhabited Epsilon Eridani system has been chosen by United Terran high command to be a staging base for the invasion of the Mendelian home world. Atlas, a super battlecruiser, was deployed to the region to construct the spaceport facilities...

Scores of Dropships carrying battle hardened marines have been sent from the Atlas to the planet Epsilon Eridani F. However, three days after entering the system, the Atlas itself has been seized by a deadly bioweapon...

The marines have been called back to save the ship, but the infection is becoming more entrenched and the survivors have been scattered...

The final Dropship to arrive back at Atlas is the one carrying your team...