故事发生在1971年的法国，黛芬妮（伊兹娅·海格林 Izïa Higelin 饰）是农场主的女儿，因为不愿意接受父母替自己安排的未来，倔强要强的黛芬妮选择离家出走，孤身一人来到繁华的大都市巴黎，想要在这里开拓属于自己的天地。在巴黎，黛芬妮邂逅了致力于女权运动的斗士卡罗尔（西西·迪·法兰丝 Cécile De France 饰），随着时间的推移，两人打破了性别的界限，走到了一起。
O is a talented photographer in her late twenties with a promising career ahead of her. She is torn, however, between the tasks financial realities are forcing upon her and between her own artistic aims. Encouraged by her boyfriend, Rene, O decides that she should pursue her artistic passion without reservation, setting aside financial realities until she has completed her very beautiful, avant-garde book of original photos. In hopes of enabling O to focus her energies on the book, Rene introduces her to a mysterious benefactor, the wealthy and powerful Sir Stephen. What starts out as a promising arrangement, turns out to be self-destructive for O. She allows outside influences to corrupt her artistic vision, as she is drawn into a seductive world of deceit, power, and eroticism.
