Overview: Far North in Svalbard, the polar bear depends on the ice to hunt seal. With the ice receeding, it turns to larger, trickier prey – the walrus. The hunt is unsuccessful and leave us wondering about the long term survival of the polar bear. On stark bird cliffs we follow the drama of a puffin family, falling apart in the face of starvation. And finally we learn of the remarkable symbiosis between human and eider.