Adventurer Simon Reeve sets out to travel around the coastline of the Indian Ocean, journeying by boat, car, train and plane as he takes in 16 countries. He starts on the tip of South Africa, where he dives with ragged-tooth sharks and joins conservationists helping to save the endangered African penguin, before heading into Cape Town, where he has a close encounter with a drug dealer. Moving on, he hitches a boat to Mozambique, where a nervous captain reveals the threat posed by Somali pirates, and completes this leg of his journey in Zanzibar, a tropical island steeped in the long history of the slave trade