Darkness Beyond Time

I was in map of CoD4. It was Strike. I saw a 2 girls with black hair and clothed in black approaching some house. The house was called : '' Lucid Dreaming HQ ''. When they got out they were holding guns in both hands. One had silencer whilst other didn't. They started killing everyone, I was scared and then my phone ringed, I picked up and female voice said to me : '' If you don't do anything they'll kill everyone...including you. '' . I saw a military shooting and girls but they were like invincible, they were laying on ground, the blood was all around them, but they were still shooting at people. I put out gun and killed them both. I thought : hell If the person who called me finds out that I killed them I'm done for...