The first part of the series sees Trevor take to the air to look down upon the mouth of the Mississippi in the Gulf of Mexico, before heading to New Orleans, where he attends a colourful jazz funeral, meets a debutante and witnesses the devastating effects of Hurricane Katrina still evident years after the tragedy. His journey takes him to a plantation, one of a few still working, and he is shocked to see inside a slave cabin. Trevor also takes a ride on an airboat through a primeval swamp and comes face to face with one of his worse nightmares. As he starts his exploration of the Mississippi, Trevor is mesmerised by the breath-taking view as his seaplane swoops over the vast wetland created by the river as it meets the sea. His first stop is the vibrant city of New Orleans where he heads for the Garden District to see its impressive collection of mansions, some of which have been in the same family for generations. He meets the Favrow family who have lived in the area for 200 years. He talks to their daughter about the debutante ball season, a traditional period which sees daughters of wealthy New Orleans' families attend a year long calendar of parties and balls in lavish gowns. In contrast to the Garden District, Trevor also visits the Third Ward of the city where most of the inhabitants are descendants of slaves. He attends a jazz funeral, a music and dance parade to see off one of the much-loved members of the community. Next Trevor takes to the river itself and ventures aboard a tug boat to learn about the challenges and dangers of navigating the Mississippi. And he heads to downtown New Orleans where jazz began and visits the Howling Wolf Club to listen to the music and join in the dancing. One band member reveals to Trevor how joining a jazz band has saved his life. He explains that so many of his contemporaries have suffered from depression because of the high crime rates in the area and some have even turned to drugs. As they ch