After an ambush, Afghan interpreter Ahmed goes to Herculean lengths to save US Army Sergeant John Kinley's life. When Kinley learns that Ahmed and his family were not given safe passage to America as promised, he must return to the war zone and repay his debt.

Afghanistan, Spring 2002 — Following the fall of the taliban regime, the country faces extreme poverty. To feed his family, a father is forced to sell his 15-year-old daughter to a 65-year-old man. Refusing to accept this fate for her child, the mother, determined to give her a brighter future, arranges a marriage with a man living in Montreal. In return, she makes a solemn promise: the children born of this union will one day marry their cousins remaining in Afghanistan. Montreal, Spring 2020 — The pact resurfaces. Now well integrated into Quebec society, Zarmina refuses to let her 15-year-old daughter marry her cousin in Afghanistan. Her firm opposition triggers a tragic chain of events.