When Marnie Was There
Promise we'll remain a secret, forever.
7/19/2014
Imdb: tt3398268
Tmdb: 242828
Popularity: 21.83
Vote: 7.9/10 (1779)

Upon being sent to live with relatives in the countryside due to an illness, an emotionally distant adolescent girl becomes obsessed with an abandoned mansion and infatuated with a girl who lives there - a girl who may or may not be real.