Atlantis has fallen. The Epoch are in command. And terrible decisions lie in wait for Bernice Summerfield.

Bernice and her comrades will be put to the ultimate test – facing Neanderthals on prehistoric Earth; alien creatures on the streets of Victorian London; and the Epoch in the far, far future – but which world will they choose to make their home?

Their journeys have been long and arduous. But soon, they will all end. Because Bernice Summerfield dies today… and, when she does, reality will fall apart around her.