The year is 1974. Ana is 19 years old, lives in Barcelona, and is, in the eyes of her wealthy family, a rebellious girl. After a night out, her father decides to place her in the care of the Women's Protection Board, an institution specializing in "women who have fallen or are at risk of falling." Ana is transferred to Madrid to be interned in a reformatory run by nuns and subjected to a brutal disciplinary regime. There, she tries to survive by seeking solace and support in the friendship of other girls in her same situation, especially Sole, a small-town girl with an infectious vitality who connects instantly with her. This luminous friendship will be what keeps Ana afloat.