Grief-stricken Cassie, mourning her lover's death, relocates to Australia seeking a fresh start. There, she encounters Eliza on the banks of Blood Creek and is immediately intrigued by her. As they spend more time together, Cassie's feelings towards Eliza deepen.

However, when Cassie experiences a strange hallucination, she starts to research the local Kabiri people and begins to uncover the dark past tied to Blood Creek.

Soon, Cassie discovers that all is not as it seems, and that Eliza's true nature is entwined with the creek and its terrible history. Can Cassie race against time to find Eliza and warn her about the danger she is facing?