The salt marshes and mangroves of Louisiana’s Barataria Bay are fertile nesting grounds and nurseries for birds and fish. Despite being hit hard by the 2010 Deepwater Horizon blowout, these waters teem with hundreds of species of marine animals. The bay is also the permanent home for 1,300 bottlenose dolphins. Unfortunately, they are still suffering health effects from the oil spill. A team of veterinarians, biologists, and wildlife epidemiologists participate in a 10-day mission to evaluate this dolphin community. Their goal is to discover any chronic health issues linked to oil exposure.