A group of lifelong friends reunite to celebrate a special birthday, with Sydney's iconic Palm Beach providing a stunning backdrop for the unfolding drama. The good times roll, with loads of laughter, lavish meals, flowing wine and fantastic music, but slowly tensions mount and deep secrets arise.

Ned Kendall is asked to return to the remote and isolated family home by his sister, to say goodbye to his father who is dying. Ned also brings his young aspiring actress fiancee who struggles with the isolation. When home he starts having memories of his childhood many involving his beautiful twin sister and his older brother. These memories awaken long-buried secrets from the family's past.