It's 1977 and joined-at-the hip teenagers Debbie and Sue fantasise about joining the Greenhills gang who rule the beach.

Debbie and Sue's future with the Greenhills gang means growing up fast, and proving themselves with the boys.

A wild teen party changes everything for Sue and Debbie.

Cheryl decamps to Debbie's house for a while and proves an unwelcome guest to almost everyone except young David, while Ferris' mid-life crisis spirals out of control.

A night out for Debbie and Sue and the Greenhills gang ends in disaster.

The Greenhills gang gather together for an ocean ceremony, while Pam and Roger plan a career move that could see them leave their beloved Cronulla behind forever.

Debbie and Sue's growing disenchantment with the gang and their rigid rules ends in defiance when they stand up to the boys and try surfing for themselves.