there was a neighborhood where everything was normal then something peculiar happened the town turned pitch black. a person comes and knocks on the door and says hi this is the vault calling a big disaster is coming here is the registration for the vault. the disaster comes and they get rushed to the vault.
then what happens is they go in the vault and get welcomed by the employees they meet a danger a man who tries to kill everyone there. he has friends they fight back and kill half of his friends helping him the bad guy runs. they prepare because they know the next time they meet someones coming out and someone isnt.
they then fight the hero wins she takes her knowledge and teaches what she learns and goes around the world today fixing and helping people and homes that have been affects by the disaster