3.Eternal Sunshine of the Spotless Mind

Eternal Sunshine of the Spotless Mind is a bizarre romance comedy about two ex-lovers who undergo a phenomenal and experimental medical procedure to erase each other from their memories. Joel (Jim Carrey) and Clementine (Kate Winslet) think that after Dr. Mierzwiak (Tom Wilkinson) does such a procedure, their time together would be no more. Fate, it seems, has a different plan when it introduces them once more.

4.Inception (2010)

Plot: A skilled extractor is offered a chance to regain his old life as payment for a task considered to be impossible.

5. Butterfly Effect(2004)

Evan Treborn suffers blackouts during significant events of his life. As he grows up, he finds a way to remember these lost memories and a supernatural way to alter his life by reading his journal.

6.Before I Go To Sleep

Plot: A taut thriller based on the worldwide best-selling novel by S.J. Watson, BEFORE I GO TO SLEEP is the story of a woman (Nicole Kidman) who wakes up every day with no memory as the result of a traumatic accident in her past. One day, terrifying new truths begin to emerge that make her question everything she thinks she knows about her life – as well as everyone in it, including her doctor (Mark Strong) and even her husband (Colin Firth).