On a remote North west coast of England, lies one of the most secretive and controversial nucleur plants in the world, Sellafield. For decades its has been shrowded in conspiracy and secrecy, but for the first time in its history, they have allowed cameras into its grounds. Nucleur Physiscist Jim Al-Khalili presents the real story of Sellafield including some of its most significant breakthroughs, to its most distarous cotastrophies. Here we get an inside to look into the daily work of one of the UKs most secretive buildings, including their ultimate goal to safely harness the pheonomonal power of the atom, and the dangers that come with this.