' Eternal Sunshine of the Spotless Mind ' must surely qualify as a work of genius purely on the basis that it makes sense at all, in spite of a completely nonlinear timeline and the seamless switching between the material world and the world of the mind (both in real and manipulated memory). But Gondry (for whom I've rather a soft spot) manages this so creatively that you are drawn into the twists and turns and get to have a pretty good idea of what the film is trying to communicate at any given point. And on top of that the film communicates a lot . Most obviously it deals with the nature of memory and dealing with the past, raising some interesting questions about how we would respond given the hypothetical option of re-writing our personal histories. But at the heart of it is a simple exploration of character and relationship. Clem and Joel have been left hurt by a whirlwhind romance turned tempestuous, and each (independently) decide to have all memories of each othe