Aimee and Steph are up for an adventure; its a hot summer's night and they are fueled by cheap alcohol and teen hormones. The promise of cool water lures the two girls to an isolated fire-water tank. Once there, the intimate mood of the tank takes a dramatic turn, forcing Aimee to make a decision that she will question for the rest of her life.

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.