Sold to the family to pay off a debt, Sahar Gul had refused to become a prostitute to bring in more money. Her 'punishment' was to be cut, burned with cigarettes, beaten to a pulp and have many of her fingernails ripped out. She was barely alive when police found her.
The tragedy, say campaigners, is that her story may be far from unique, it just happened to come to light. Women are mostly illiterate in this impoverished country, and they still do not enjoy anything near the freedom accorded to men.
Indeed their human rights are under constant pressure. Although these are supposedly enshrined in the Afghan constitution, as recently as 2009 a bill passed by the Afghan parliament sought to make it illegal for a woman from the country's Shia community to resist her husband's sexual advances. Another provision required a husband's permission for a woman to work outside the home or go to school. And a third proposed to make it illegal for a woman to refuse to "make herself up" or "dress up" if that is what her husband wanted.
The government later rowed back on some of these provisions, violence against women was made a criminal offence that same year, and there have since been improvements in education, maternal mortality, employment, and the role of women in public life and governance.
But for many Afghan women, especially those who challenge the status quo, deep-seated prejudice and discrimination are a fact of life. As a report from the NGO Human Rights Watch in March 2012 made clear: "Women … have suffered harassment, threats, and sometimes murder. Forced marriage, underage marriage, and domestic violence are widespread and too widely accepted."
The battle for gender equality
The fear is that with the 2014 departure of NATO troops drawing ever closer, the plight of Afghan women could actually worsen rather than improve. Whatever else they may be held responsible for, those forces have tried to use their leverage to promote and protect women's rights. When they go, any gains made could be reversed. Also likely to decrease is the foreign aid that pays for schools and clinics that have changed many lives. Afghan women dread being abandoned again by the rest of the world, as they were during the Taliban era.
Against this background, it is perhaps not surprising that the case of Sahar Gul was taken up by those seeking to advance women's rights. But what is unusual is just how powerful a motivating force her story has been to one of the more extraordinary and progressive of those campaigners.
Like Sahar Gul, Noorjahan Akbar is a teenager who grew especially close to Sahar Gul in the weeks following her rescue. But as this film from Australian journalist Trevor Bormann reveals, there is far more to the articulate 19-year-old Noorjahan Akbar than just being a kindly 'big sister' to a vulnerable younger girl recovering in hospital.
She set up a group called Young Women for Change which has been taking the battle for gender equality out onto the streets of the capital - eager to understand why Afghan men are still so uneasy with the notion of women's rights but determined to change those attitudes by persuasion, debate and example.
She says: "Almost every woman you ask in Afghanistan if she would rather be a man, she would say yes. I wouldn't, because now I realise that even though I am a woman in Afghanistan, there are many things I can do."
Can Norah and her group make a difference? Maybe, maybe not, but they will not give up trying.
There have been some very positive developments since the film was made, at least as far as Sahar Gul herself is concerned. She has now left hospital and is completing her recovery at a women's refuge. She has resumed her education and hopes one day to become a doctor and a women's leader. On May 1, 2012 a court in Kabul sentenced her father-in-law, mother-in-law, and sister-in-law to 10 years in prison. Her husband and brother-in-law are still being sought by the police.