Stu Shepard, a self-centered New York City publicist, suddenly finds himself on the deadly end of a high-powered rifle scope when he picks up a ringing payphone and the man on the other end tells him that he's going to kill him if he hangs up.
Follow Ron Naveen and his team of biologists to one of the harshest corners of the planet, where they track the impact of climate change and ocean health by counting penguin populations.