Dr Emily Joy, a not quite qualified family doctor, arrives for two years at a remote hospital in Sierra Leone. There is no water, no electricity, no oxygen and no chocolate to treat her nasty case of unrequited love. The oranges are green, the bananas are black and her patients are, well, really poorly. Then the rebels invade. But green oranges give sweet orange juice and if the people of Sierra Leone can remain so optimistic, then so can Dr. Em.