AyoungCanadiannurse(Betsy)comestotheWestIndiestocareforJessica, thewifeofaplantationmanager(PaulHolland).Jessicaseemstobesufferingfromakindofmentalparalysisasaresultoffever.WhenshefallsinlovewithPaul, BetsydeterminestocureJessicaevenifsheneedstouseavoodooceremony, togivePaulwhatshethinkshewants.