It's1983 and the aliens have invaded East Germany.

The 666th are sent on a mission to attack the BETA, but trouble comes when the promised reinforcements never arrive.

Theodor is inducted into a secret group that wants to overthrow the Stasi and reunite East Germany with West Germany.

A gigantic operation is underway to wipe the BETA out of Europe and slow their advance.

The Schwarzesmarken are forced into a dangerous mission to destroy a BETA echelon advancing on the UN forces.

After the success of Operation Neptune, the Schwarzesmarken are hailed as heroes.