茱莉在里斯本拍摄一部根据17世纪小说《一位葡萄牙修女的来信》改编的电影。一天晚上，她发现一个年轻修女每夜都在诺莎圣罗拉教堂祷告。茱莉的命运将被永远地改写…… A young French actress in Lisbon to shoot a movie is intrigued by a nun she sees kneeling in the in the chapel where she is filming.