July 1964. Chartwell House, Kent: Winston Churchill wakes at dawn. There's a dark, mute "presence" in the room that focuses on him with rapt concentration.
It is 1913: Dinners, Millet-Bass, and Napps - three men bound by survival will be immortalised by their decision to scout out a series of unknown islands in the Antarctic. It is 2013: Brix, Jess, and Decker - three researchers set out on a field trip to the same ancient lumps of rock and snow. Under the harsh ultraviolet light they unknowingly begin to mirror the expedition of 100 years ago.