When the world changes dramatically and irreversibly, there's no rulebook for how to face the brave new world. Some fall into depression. Some try to make the best of an impossible situation. Some lose their grip on sanity. Ava wants answers as to how the unthinkable has become reality, but Mike just wants to move forwards with the woman he loves. They say love conquers all, but can there really be a happily ever after for a couple living in constant fear that each day could very well be their last?