When a tidal wave hits the ten-year reunion of an all-girls school, the former students must find a way to survive on the island peak of their high school campus.
EPISODE 1
Bird Shit
After getting dumped on national television, Zoe goes into hiding by living off-grid until strange weather events lead her to seek out higher ground at her old school.
EPISODE 2
Pancake Rage
The classmates realise that they will be trapped at Ridge Heights for a while, and devise a plan to survive.
EPISODE 3
Dumb Dumbs
Zoe struggles with Sandy's disappearance; Genevieve begins a relentless search; Amelia leads a team of women to regenerate the electricity.
EPISODE 4
Soul-Crushing-Cycle
The women begin to power the school under Saskia's ruthless leadership; Zoe hunts for a new best friend.
EPISODE 5
The People Vs Saskia
Genevieve brings Saskia to trial for her mean girl crimes; Zoe finds herself in a tight spot when Amelia agrees to help Sasika.
EPISODE 6
Utopia
When everyone has to sit inside with food poisoning during a severe storm, the class starts to heal old wounds. The ladies open the letters they had written to their future selves while in high school.
Emily Browning
Megan Smart
Caitlin Stasey
Claire Lovering
Sarah Krndija
Emma Horn
Steph Tisdell
Sana'a Shaik
Rose Flanagan
Chi Nguyen
Bernie Van Tiel