Make temporal changes to a scene state

Hi all! I was developing a cutscene editor which operates mostly in edit time. When the editor opens I want to have a special view of the scene where all changes made by the cutscene will be reseted when the editor closes later. Its the same effect as when someone enters play mode from edit mode and makes changes and then later everything done in play mode is reseted again. I don't know if there is an easy way to achieve this or I'll have to build this system on my own, storing the entire state of the scene and restoring it when cutscene is over. Thanks