Has a hole been torn in the space-time continuum?
In order to really appreciate lucid dreaming, you'll need to be able to remember your dreams. If you can't remember them it will be like having the best adventure of your life and then having your memory wiped afterwards! What's the point?
In the real world, hacking gets a bad name, what with it being immoral (except in rare, delightful instances) and illegal. But in the world of cinema, it's a whole 'nother ballgame.
Night after night, we lose ourselves in sleep, ever optimistic that our dreams will bring comfort, inspiration and pleasure. That's not always the case, of course. Our fears can manifest in our slumbering minds and even attack our vulnerable souls.
We now know that accessing dreams as a source for creativity is nothing new. Since ancient times, writers, artists, musicians, scientists, and a variety of people from other professions have logged their dreams and/or shared them, then acted upon them creatively in waking life.