A couple on holiday in Haiti become involved in a series of savage murders linked to a doctors a new invention, a drug with extreme side effects.
In contemporary Paris, expat American writer Henry Miller works his way through a series of amorous encounters while trying to find his literary voice.
Tropic of Cancer is a BBC television documentary presented by Simon Reeve. It was first broadcast on BBC Two in 2010. It follows his previous series Equator and Tropic of Capricorn.