Set in early 20th-century Western Australia, The Last House in Augusta, follows the intertwined and often tragic lives of two sisters, the fiery, scarred Rose and the dutiful, gentle Dolly Savage. Poverty, a family curse, and the enigmatic Clarke Cassius, a man who courts Dolly while secretly seducing Rose, test their bond. His ultimate betrayal leaves one sister jilted at the altar and the other pregnant and alone, setting in motion a chain of secrets and hardships that will ripple through generations, forcing each woman to confront the shadows of her past and fight for her own version of survival.

This historical drama immerses the reader in the rugged atmosphere of Western Australia's timber country. At its heart, this is a story about the fierce, complicated, and enduring bonds of sisterhood and the generational weight of secrets.