A unique ship offering life saving medical treatment sets sail for the poorest of the poor in Africa. They have just one year to do the impossible – to provide the care these people cannot get any other way. On board are volunteer doctors and nurses - now headed straight for the biggest medical and ethical challenges of their lives. Ahead lies unbelievable illnesses, many they have never seen outside of textbooks. A dramatic journey is underway as they deal with life and death cases - and balance the fates of these patients in their hands.