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When an apocalyptic tidal wave hits during the ten-year reunion of an all-girls high school, a group of women must find a way to survive on the island peak of their high school campus.
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 where Zoe stumbles upon her own ten year high school reunion in full swing.
Realising they are stuck at Ridge Heights for the foreseeable future, the classmates scramble for a plan to survive.
Under mean girl Saskia’s newly instated reign, Zoe struggles with Sandy’s disappearance while Genevieve begins a relentless search.
The women begin to power the school under Saskia’s increasingly ruthless leadership, while Zoe hunts for a new best friend to take Amelia’s place.
Genevieve brings Saskia to trial for her mean girl crimes, while Zoe finds herself in a tight spot when Amelia agrees to defend Saskia.
Shuttered in with food poisoning during a torrential storm, the class begins healing their teenage wounds.
In the aftermath of Sandy’s vengeful return, Zoe must stop Amelia from leading the class into a hedonistic end-of-life party.
When Amelia volunteers as a sacrificial lamb for the greater good of the class, Zoe must decide if their friendship is over forever.
