On the turn of the 20th century, in Netherlands, three socialist activists and brothers are imprisoned for a crime they didn't commit. The prosecutor tries to get to the truth, but their comrades and others betray them.
Prostitute Dolly co-finances the purchase of a Vermeer painting with art expert Eddy Cremer. When they find out the painting is fake, she returns to the red light district, where conditions have worsened over time.