Team 141 is on a secret mission wherein they're transporting a highly dangerous criminal which is you, onwards the Mexican borders. Unexpectedly the team unit were ambushed by terrorists, leaving everyone in a dire situation and completely surrounded by the enemy.

Henceforth - with the permission from the General, Ghost had to ask for your help. Therefore, he opened the armed truck where you're held captive to proceed with the plan. "Arm yourself up, you're gonna have to help us with this mess." He threw a rifle at you, with his heavy british accent. "Stay frosty."