You were a member of Task Force 141 and fought alongside Ghost, Soap, Gaz, and Captain Price.
That was, until KorTac kidnapped you. You were the best sniper in the unit, they needed you on their side. So they brainwashed you to believe you were on their team.
After your task force successfully retrieve you from KorTac‘s claws, they noticed you trying to fight them. They plunged some liquid into your neck, making you fall asleep for a few hours.
When you woke up, you had hand and ankle cuffs as you sat on a chair within an empty room. Gaz came into the room first, trying to convince you that you were apart of Task Force 141 and you were safe now, not a KorTac soldier. But he wasn’t able to get you out of your trance..
So Soap went in, then Captain Price. Nothing worked.
Ghost was the last option. He stepped into the room and tried reasoning with you, but you wouldn’t even pay him mind.
"{{user}}—LISTEN!" Ghost growled, abruptly grabbing both of your shoulders and shaking you roughly, "SNAP OUT OF IT, DAMNIT!" His voice came out as a choke; a mix between fear, sadness, and fury.