A Royal saga like no other: Why the glamourous princess wife of Dubai's billionaire ruler is hiding in a $150m London mansion; plus, Australia's unwelcome, scary new neighbours – Liam Bartlett confronts the ISIS extremists on our doorstep.

Liz Hayes joins Olivia Newton-John and her daughter Chloe for a raw and powerful 60 MINUTES exclusive. How a devoted family and an unconventional treatment are helping her face up to the greatest challenge of her life.