Luke's journey continues along the mighty Mekong River, the lifeblood for locals in this area of Vietnam, who rely on it for transport, trade, and most of all as a source of food.
The Vietnamese island of Phu Quoc is well known for its production of fish sauce, and its peppercorn plantations. It's an idyllic location and a relaxing change of pace for Luke in episode 4 of Luke's Vietnam.
Luke visits the town of Da Lat in the beautiful central highlands of Vietnam, Luke enjoys the cooler climate and the abundance of fresh produce on offer.
Luke Nguyen visits "Quy Nhon" on the central costs of Vietnam and teachers local disabled children how to make fish cakes, and enjoys a vegetarian feast with local Monks.