First part of Film Ctrl Z - A student invents a save ands undo machine for life -which has a minutes limitation - He explores the imorality of the box - Full script in my scraps [link]
Storyboard example [link]
Thanks - I never shot the whole story I'm afraid. This is just the first five mins - I think the full script is in my scraps some where. It does have a nice twist at the end . Thanks for commenting though.