Day of the Dead -Map for L4d2 overivew

Map 01- A Dead place
At the beginning of the movie we see the team landing at the edge of the city after failing to raise anyone on the radio, Miguel shouts down the bullhorn
" Hello is there anyone there?!", immediately the city is full of corpses traveling towards that sound.
the first level imagines that there were some survivors in that city, and they tried to fight there way to the chopper but couldn't make it in time and were
left behind by Miguel and the gang only to find themselves at the docks, they decide to steal a boat and follow the direction of the chopper..

Map 02- The Elevator
The survivors arrive at forest surrounding the bunker and here we realize that long before the bunker was used for this operation the military and ceda were perfoming a delicate and extensive cleanup operation which has been abandoned, after fighting there way through the deadly forest the survivors come across the elevator leading to the bunker, but without power its going nowhere, so in a scavenge finale they must reactivate the lift and fight off the horde as they descend..

Map 03- 14 Mile tombstone
inside the bunker corpses are literally everywhere and after searching for survivors they find that all manner of inhuman experiments have taken place down here, its not just a graveyard its a slaughterhouse, the only option they can turn to is to detonate the missiles remaining from the cold war in order to wipe this abomination off the face of the earth.

Map 04- Missile Silo
the missiles are located deep within the mine at the back of the facility and through the specimen gate, there they find the missiles and initiate the arming sequence..

Map 05- "Get off the hill in a hurry!"
racing to the top of the missile silo they fight wave after wave as they try and get to the surface before the missile blows, across the radio they hear the voice of john and billy and realize there not the only ones who heard the arming sequence, can the survivors hold out for john and billy to be heroes after all?...