一名纯真的21岁女大先生安娜塔希娅．史迪尔（Anastasia Steele）（达科塔·约翰逊饰）由于为校报作一篇报道，前去采访28岁英俊的企业家克里斯钦．格雷（Christian Grey）（杰米·道南饰）[1] ，两人之间擦出了爱的火花，但很快安娜就发现格雷的一个惊人的秘密：他喜欢SM（性优待）。得知真相的安娜在爱与痛的边缘之间不时挣扎，结果不时发现自己不为人知的阴暗面。[3] A pure 21 year old female college students Anna tashi. David still (Anastasia Steele) (Dakota Johnson act the role ofing) as a report for the school newspaper, an interview, 28, handsome entrepreneur Chris khin. Gray (Christian Grey) (jamie way south) [1], wipe out the spark of love between two people, but Anna soon found a startling secret: gray he likes SM (sex). Learned that the truth Anna struggle between love and pain of edge, the results found himself constantly unknown dark side. [3]