The Brilliance of a Pure Mind (2004)

The brilliance of a pure mind (Eternal Sunshine of the Spotless Mind) is a 2004 American film directed by Michel Gondry from a screenplay by Michel Gondry, Charlie Kaufman, and Pierre Bismuth. In 2005, the film's writers won the Academy Award for Best Original Screenplay. The film premiered on March 19, 2004.

On Valentine's Day, Joel Barish (Jim Carrey) follows his impulsive desire to go to Montauk instead of work. After spending the day at the beach, he meets Clementine Kruczynski (Kate Winslet) at the train station and they fall for each other. Joel and Clementine are unaware that they have had a relationship in the past.

Joel has just erased Clementine from his memory after realizing that Clementine did the same when their relationship ended. In the process of erasing, however, Joel is astonished to discover that he still loves Clementine and does not want to lose her, fighting to preserve the memories of their times together.