Laura's life is in danger, so she fights to survive and defeat a killer as the murder case of perfume mogul Michael Dunham takes a shocking turn.
A perfume mogul is killed in a savage manner and the investigation yields no prime suspect. Meanwhile, Laura and Jake are at odds when they try to define the current state of their relationship.moreless
Every year, monarch butterflies migrate nearly 2,000 miles across North America. NOVA investigates this migration in this episode, using helicopters, hot-air balloons, and other aircraft to get the butterflies' point of view as they travel across the continent. Narrators also discuss the increasing threat to this migration as the monarchs suffer the loss of their habitats.moreless