After climbing to the roof of a hotel in Savannah to be rescued, the survivors find themselves abandoned by rescue helicopters, and so make their way to the local mall, after hearing word of a second CEDA evacuation point there. After a brief encounter with a gun store owner, Whitaker (voiced by Dayton Callie), the survivors discover that the mall is overrun and all of the CEDA agents have either been killed or have become infected themselves. The four then use a stock car to bust out of the mall and travel towards New Orleans ("Dead Center"). On their way there, they encounter the original survivors featured in Left 4 Dead at the portside town of Rayford ("The Passing"), who allow them to cross the bridge by first filling up its generator with gasoline. Later, they find the highway completely blocked by wrecked vehicles and are forced to travel through a still-operating but abandoned amusement park, and start a huge fireworks-and-lights show used by the rock band, The Midnight Riders, in order to attract the attention of a helicopter pilot ("Dark Carnival").After being rescued, they realize their pilot has been infected. Nick is forced to kill him, which causes the helicopter to crash into a bayou ("Swamp Fever"). They find brief shelter in a plantation mansion and make radio contact with a Cajun boat captain named Virgil who can get them to rescue, but he needs additional diesel fuel to make it to New Orleans. Amid a torrential downpour, the survivors go ashore, make their way through an abandoned sugar mill to a gas station to get fuel supplies, and return to the boat ("Hard Rain"). Virgil takes them to New Orleans where the military appears to be evacuating civilians. The group head to the extraction point, but discover that the military is actually bombing bridges to cover their retreat. The survivors then make their way across a lift bridge amidst a mass of infected and board the last military helicopter leaving the city before the bridge is destroyed by an air strike. Judging from their dialogue, the military pilots suspect that the survivors are "carriers" ("The Parish"). Although the survivors' fate after evacuation is left unexplained after the bridge finale, Chet Faliszek, the game's writer, said that the military is taking survivors to cruise ships in an attempt to escape the worldwide infection.The Sacrifice campaign takes place before the main events of Left 4 Dead 2, sometime before the events of The Passing. The survivors from the Left 4 Dead arrive at the portside town of Rayford in order to search for a boat that could take them to the Florida Keys. After finding an adequate vessel, the survivors manually have to start up generators in order to lift a bridge for their boat to pass through. One survivor (canonically Bill) sacrifices himself in order to kick-start a generator once the lift jams, so that the others may reach safety. This is the end of Bill's story in the Left 4 Dead plot.
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