The Great White (2019)

Set in 1970's Western Australia, a family of 4 is living in poverty due to the neglect of their drunk and dictating father Keith. Mark, the youngest son is forced to grow up and step into his brother's shoes when Andrew, his older brother, leaves the home to find work, leaving Mark to take care of Andrew's beloved bike, and to defend his mother. Mark learns that the world is not as perfect as it seems, and that love for his family can be a costly thing.