Ella Al-Shamahi, a rising star in Neanderthal research, enlists the skills of Andy Serkis, the master of performance capture, and a group of experts to create a scientifically accurate 3D Neanderthal. They discover that Neanderthals were more like us than we ever thought.
In the studio, Ella and her team of scientists reconstruct an experiment to discover whether the perpetrator of the world's oldest murder was a Neanderthal or a modern human.