When Gordon Buchanan and the team return to Svalbard in September, they face a big challenge to find mother and cub as the tracking collar hasn't sent a signal for a month. They do eventually locate them and discover Lyra is very thin and has been reduced to eating moss, seaweed and even plastic fishing floats to stave off hunger. The bear's milk is also starting to run dry and she is refusing to let Miki suckle - while her desperation for food means that for the first time she sees Gordon as a possible meal