an upkate on a story that shocked the world that started with a desperate escape from isis forces and a young girl whose life was turned upside down. ivan watson first brought us the story last summer. ivan is joining us now. what's happening right now as far as this story is concerned? >> it's been more than a year since isis sent more than 400,000 members of the religious minority running for their lives. we've been following the story of one family from this flood of humanity fleeing the jihadi militants. i've been following one of these families and bring you this story. it was a rescue from hell. in the mad dash to climb onboard a flight to safety, families scrambled to stay together.