When Team RWBY has detention in Dr. Oobleck's class Weiss accidently messes around with some new dust that she imported and teleports them to a world where zombies are taking over. Join team RWBY as they team up with another group of Survivors to try and get to New Orleans to be picked up by the military, but they must also find a way back to Remnant. What will happen to them? What Challenges will they face? Find out Now!! (Authors Note: I have been Playing a lot of Left 4 Dead 2 Lately with RWBY Mods and I thought to myself, 'you know, this would make a great story idea.' So this is my idea. And I also got inspiration from reading "Wombag1783's" Left 4 dead x RWBY crossover on Fanfiction.) I Hope you all enjoy this!