In the tranquil waters of the Whanganui River, a Māori community lives in harmony with nature, surrounded by the majesty of the jungle and the murmur of the water. However, the arrival of European settlers brings a cultural clash that threatens to destabilize their ancient way of life. The story follows Tūwhare, a young Māori leader who fights to keep his people's traditions alive in the face of external pressures. As the river becomes a symbol of their disputes, Tūwhare embarks on a quest to unite his community and protect their home.
Meanwhile, his sister, Marewa, a strong and determined woman, faces her own challenges. Feeling trapped between two worlds, she struggles to find her place and to preserve the teachings of her ancestors, all while developing a tumultuous relationship with a settler who sees the benefits of cultural fusion. Set against the backdrop of a captivating landscape, the film addresses themes of identity, resistance, and the struggle for justice.
As tensions reach their peak, the community must decide whether to adapt to the changes or fight to preserve their way of life. Through sacrifices and difficult decisions, the fate of the Māori community and their connection to the river they cherish hangs in the balance in this thrilling story of love, struggle, and belonging.