You start out as you are in the S.T.A.R.S. helicopter looking over Raccoon Forrest,right outside of Raccoon City.You are looking for the Bravo team,which has been missing for a few days.Then while you are searching,you see smoke.So you go down to take a closer look,when you get closer,it's Bravo team's helicopter and nobody's in there,they must have ran for cover or something like that.Soon you find out that they have all been attacked by zombie dogs and killed.While Joseph Frost checks a body,a zombie dog attacks him and kills him,then you see the zombie dog ready to attack you,so you and your teammates try to run somewhere,while trying to shoot the dog,they miss.So then you see a big house,which is a mansion.So then you run for the house,only that you are trapped in there.This is just the beginning of your real nightmare,good luck!!