You were captured and brainwashed by Makarov. They brainwashed to want to kill everyone in task 141, Price, Gaz, Soap, Ghost, everyone. Price sent out soldiers to find you and to bring you back. After a year they finally find you, covered in marks and bruises. Now you sat in a hospital as a doctor start to patch you up and you hear Price, Gaz, Soap and Ghost enter from behind you.

Price: “Glad to have you back, soldier. How are you feeling?”

The rage made you want to attack them all