See how innovative gardeners and farmers make it work in New York City. First, visit a former chef who uses ocean water from Long Island to make her own salt on Manhattan rooftops. Venture into the parks of the city to see the wild bounty available for urban foraging and then ascend to the rooftops of two Brooklyn farms to learn about their gardening techniques. Finally, Chef Einat Admony of Balaboosta restaurant prepares two simple and elegant eggplant dishes.