After being reincarnated into the body of a novel's wealthy heiress, Cherry Sinclair quickly realizes that the world is coming to an end, but she's determined to survive the apocalypse, no matter what. Using the money that came with this new life, she devises a plan to create a shelter to hide from the monsters. What she does not expect, however, is for the male leads of the novel to also end up in the same house! Will all of them be able to work together to survive in this chaos?