Set in Originals 4x13. Klaus has been Marcel's prisoner for a long while. When Alistair went and stabbed Klaus with the end of that sword, Klaus nor Marcel could stop him. Klaus is back as a prisoner now, while Marcel deals with him. And everyone else plotting his death. Will a rescue come in time? When an injured Kat escapes a prison world and ends up outside the barrier he's in, will she care enough to save or try to save him? Will she have enough strength left to save him? What will ensue?