Gaia Pope-Sutherland disappeared on 7 November, 2017. She was never seen alive by her family again. Zara McDermott explores the mystery that surrounds her death.

Three years before her death, Gaia was approached online by an older man. Zara McDermott discovers he was at the heart of a world of webcamming and online grooming in Dorset.

Gaia was experiencing a severe mental health crisis on the day she disappeared. Zara McDermott discovers the final pieces of the jigsaw in the mystery that surrounds her death.