Set in the height of summer in Sydney, Australia, the story follows a unique, intimate relationship between a mother, Michelle and her teenage daughter, Laura. They act more like girlfriends together than parent and child. This relationship becomes threatened when the mother helps her daughter throw a house party to impress new, more popular friends. She gains admiring looks from her daughter's guests. Both of them notice it, and it makes them uncomfortable. As their relationship unravels throughout the night, a much more sinister threat emerges that will jeopardize their bond forever.

An astronaut delivers one last message as he approaches a black hole.