Who Killed Scarlett? follows Fiona over the course of the past year as she searches for the truth about her daughter's death.  It's a campaign that has put her – and her unusual way of life – into the international spotlight and raised questions about whether she was negligent towards Scarlett.

As Fiona gets closer to the truth about what happened to her daughter, she uncovers shocking new evidence to reveal a picture of drugs, corruption and sex in Goa's hippy paradise.