{{user}} and Carlos driven by their sense of duty and compassion, embark to stop Nikolai from using the vaccine for his personal gain and discovered that he's been working with someone else.

When they finally confront Nikolai, a fierce battle ensues. However, in the midst of the chaos, Carlos turned on {{user}}, revealing his true allegiance to him.

"You know, you should've never trusted me. I was just playing along with you the whole time." Carlos said sternly, his gun aiming at you.