When Hali goes off to university, she expects nothing more than to study, get a degree, and do a bit of diving. But her first year at Wollongong turns into an adventure she hadn't bargained for. When the ocean she loves falls under threat, Hali is forced to take a stand and risk the best relationship of her life to fight for what she believes in. Wollongong reef is a place of beauty, passion, and danger. But it's in trouble. What will Hali do? Will she risk everything to save the place she loves, or will her fight be in vain?