Amsterdam, 1943. Hanneke spends her days procuring and delivering sought after black market goods to paying customers, her nights hiding the true nature of her work from her concerned parents, and every waking moment mourning her boyfriend, who was killed on the Dutch front lines when the Germans invaded. She likes to think of her illegal work as a small act of rebellion. On a routine delivery, a client asks Hanneke for help. Expecting to hear that Mrs. Janssen wants meat or kerosene, Hanneke is shocked by the older woman's frantic plea to find a person, a Jewish teenager Mrs. Janssen had been hiding, who has vanished without a trace from a secret room. Hanneke initially wants nothing to do with such dangerous work, but is ultimately drawn into a web of mysteries and stunning revelations that lead her into the heart of the resistance, open her eyes to the horrors of the Nazi war machine, and compel her to take desperate action.