Nathan is recently divorced and his life has taken a downturn. He is not a desperate man however,philosophically taking anything that is thrown at him, and is forever curious about the human condition. In his short time at the museum, where he can marvel at the extent of past, human survival, he is able to consider the drastic decisions that the human individual will make, in its choice, to escape its present condition and circumstance, and ensure its own, personal heritage .