If you watch Lawrence of Arabia backwards, it's about a British guy trying to get home from Arabia, stifling an Arab revolt and helping the Turks fight WWI against Britain.
If you watch The Passion of the Christ backwards, it's about a guy who comes to life, recovers from astonishing torture, then goes and hangs out with his pals in a nice garden.
If you watch Schindler's List backwards, its about a guy whose dead Jewish friends are brought back to life by the Nazis, at which point he no longer cares about them.
If you watch Terminator backwards, its about a metal machine that acquires human skin, and spends the rest of the movie running away from a woman named Sarah Connor.
If you watch E.T. backwards, its about an alien that lands on earth, spends time with some kids, and then takes off in its spaceship again.
If you watch Star Wars backwards, it's about a Jedi initiate who helps the Empire assemble a giant space station out of flaming debris, which then goes off across the galaxy to pack rubble together into the planet Alderaan while the hero retires to a desert world to live underground and give droids to Jawas.