In a future Australia ravaged by climate change, twins Ashleigh and Aiden Delatour have always promised to protect and be there for each other, no matter what. Thier privileged upbringing and loving, wealthy parents leave them with little to worry about. But when Aiden is seriously injured during a school trip, the twins' entire world begins to unravel. Back home from the hospital, something about Aiden seems different, and Ashliegh's quest to find...

Sixteen-year-old Calma Harrison is certain she knows what is behind the strange behavior of everyone in her life, and convinced that she is the only one who can fix things, but soon learns just how wrong she is.