Rotaru, who is twenty-six, works for the International Organization for Migration, a group connected to the United Nations, in Chisinau, Moldova. She is a repatriation specialist. Her main task is bringing lost Moldovans home. Nearly all her clients are victims of human trafficking, most of them women sold into prostitution abroad, and their stories pour across her desk in stark vignettes and muddled sagas of desperation, violence, betrayal, and sorrow.

Her allies and colleagues in this work are widely scattered. An ebullient Dubai prison officer named Omer, who calls Rotaru “sister,” has been a help. So have Russian policemen, an Israeli lawyer, a Ukrainian psychologist, an Irish social worker, a Turkish women’s shelter, Interpol, and various consulates and embassies, as well as travel agents, priests, and partner organizations, including an anti-trafficking group called La Strada, which has offices downstairs from Rotaru’s and a dedicated victims’ hot line.

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