Joel discovers that Clementine, his ex-girlfriend, went to a company specialized in erasing memory to erase her own memory of all that relates to Joel and the relationship she had with him. Joel, desperate, decides doing the same. He hires the same company to get her out of his head all the memories of Clementine and their relationship.The film is set mainly in the mind of Joel, in the process of erasure, while he is asleep in his bed connected to a machine "memory eraser" while recalls facts and repents of having contracted the company. He begins to escape through the maze of his memories, to try to abort the process...
