British mother Rosie Ayliffe thought her 21-year-old daughter, Mia, would be safe travelling around Australia on a gap year. But Mia wanted to extend her visa and in order to do that needed to find 88 days of work on a farm - a requirement that would lead to catastrophic events. Four short days after Mia moved to a hostel in Queensland to take a job on a sugarcane farm, she was brutally killed. Faced with every parent's worst nightmare, Rosie travelled...