In a dystopian world where cloning has become the norm, a group of young people grows up in an isolated boarding school, unaware of their tragic fate. Kathy, Ruth, and Tommy, three inseparable friends, live in Hailsham, a place that seems like a paradise, but soon they discover that they are destined to be organ donors. As they grow up, they face the harsh reality of their existence and the inevitable separation that awaits them.
Kathy, now in her 30s, reflects on her childhood and the moments spent with Ruth and Tommy. Their relationship becomes complicated as frustration and jealousy arise, especially between Ruth and Kathy, as both have feelings for Tommy. Over the years, the trio struggles to find their place in a world that offers them no future. Their conversations and memories are intertwined with the anguish of knowing that their lives have a predetermined end.
As they confront the grim prospect of their purpose, the bonds of friendship are put to the test. The struggle for love, identity, and humanity becomes an emotional battle in a context that society prefers to ignore. The story explores deep themes about life, loss, and the meaning of being human, leaving the viewer reflecting on the choices we make and the value of the connections we form along the way.