In the war zones of Liberia and Congo, four volunteers with Médecins Sans Frontières (MSF) struggle to provide emergency medical care under extreme conditions. With different levels of experience, each volunteer must find their own way to face the challenges, the tough choices, and the limits of their idealism.

David Gallo shows jaw-dropping footage of amazing sea creatures, including a perfectly camouflaged octopus, and a Times Square’s worth of neon light displays from fish who live in the blackest depths of the ocean.