Australian teenager Heidi is left with little choice but to leave home after she's caught red-handed with her mother's boyfriend. With few options, Heidi ends up in Jindabyne, a tourist community. Upon meeting Joe at a bar, she pursues a relationship with him and tries to find something resembling a normal home life. Heidi makes small strides by getting a job and finding a place to stay, but her relationship with Joe must overcome more than its share of hurdles.

The shy son of an aging comedienne tries to find a balance between his demanding home life, his new girlfriend, and his mother's second chance at fame.