When did the uniquely human emotions emerge in our ancestors? For over 2 million years primitive hominids - apes in a human body - roamed the tropical continents of Africa and Asia. But when and how did they enter the cold, hostile north: Europe? And what new powers did they need when they got there?This film reconstructs the tragic circumstances surrounding the lonely death of one of the early Europeans, over 400,000 years ago. Also, in a series of discoveries in Italy, Britain, Spain and Germany, scientists have pieced together evidence to explain how Europe was suddenly and decisively colonised. This trail has uncovered a moment of transformation in our evolution, when the human feelings of friendship, trust and love came into being.