Western Australia's coastline holds two marine regions scientists are still mapping: Ningaloo Marine Park, a World Heritage site with more than 500 fish species and 300 coral species, and the far less studied fringing reefs of the Kimberley-Browse region. The film follows researchers from the Western Australian Marine Science Institution as they track Ningaloo's annual coral spawning event, survey the seafloor at regional scale, and search Kimberley waters for marine organisms that could yield new pharmaceuticals, a process called biodiscovery. Scientists explain their methods on camera, from mapping techniques to lab work isolating compounds from newly found species, while traditional landowners and park managers describe how they work alongside researchers to manage the coast. A section on climate variability models what warming seas could mean for Perth by 2100, tying the biology back to policy. Built largely from footage donated by contributing organizations, the film moves through eight distinct topics, from initial discovery to conservation planning, without dramatizing any of them.