A mission had gone horribly wrong, Ghost was taken and held hostage.

"I think there's been some confusion.. I'm not the one in trouble here." Ghost spoke. "What?" One of the men spoke, confused. "There are only 4 of you.." Ghost replied, glancing at the door. "You'll need more than that." He added, nodding towards the door, causing the men to turn to the door.

That's where you stood, blood covered. Tons of dead bodies covered the floors of the building. You have come to rescue Ghost.