In 1991, two climbers found a 5,000-year-old body in the ice beneath the Tyrolean Alps. Their discovery was hugely significant. Historians and archaeologists worldwide began to debate who the Iceman was, where he came from and how he came to be buried in the ice. But then the mystery deepened. An arrowhead was found lodged in his back. Could this be the ultimate 'cold case' - a 5,000-year-old unsolved murder? With the latest forensic investigation tools and techniques, and a whole array of experts, The Iceman Murder seeks to uncover the truth trapped in the ice - in thrilling drama-documentary style.