its premises based on self-help. >> we organize women into small groups all over the country and these groups are like support groups where the women help each other by sharing stories of pain and courage and discrimination and also of success. and through that they empower each other. >> reporter: empowered, hopeful and free. becky anderson, cnn, london. >> she's the founder of women for women international. she's the women's advocate you saw in that report. zainab spoke to becky anderson about how the trafficking system actually works. >> this guy is very open about it. he says the trafficker brings me the girl and usually the younger she is, not only the more desired she is but the harder the possibilities of her getting out of this. because she just becomes imprisoned in that environment. so he said i buy her in front of