The Matrix - (1999) A computer hacker learns from mysterious rebels about the true nature of his reality and his role in the war against its controllers.
The Great Dictator - (1940) Dictator Adenoid Hynkel has a doppelganger, a poor but kind Jewish barber living in the slums, who one day is mistaken for Hynkel.
The Intouchables - (2011) After he becomes a quadriplegic from a paragliding accident, an aristocrat hires a young man from the projects to be his caregiver.
Eternal Sunshine Of The Spotless Mind - (2004) A couple undergo a procedure to erase each other from their memories when their relationship turns sour, but it is only through the process of loss that they discover what they had to begin wit
The Apartment - (1960) A man tries to rise in his company by letting its executives use his apartment for trysts, but complications and a romance of his own ensue.