Kabul taxi driver Khaled picks up a woman and, after settling on a price, takes her to her destination. The woman gets out and a new passenger climbs in, only to find a baby in the backseat. Khaled leaps out after the woman, whose face had been obscured by her burqa, but she has vanished. He's left holding the baby - a six-month-old boy. Who was this woman and how will Khaled find her?