Eloi Coly has worked on the island for 26 years as a site manager.

CNN: Senegal's scenic island exposes horrors of slave trade

The story, set in Lisbon, concerns Eloi (Henrique Canto e Castro), a paunchy middle-aged man, who finds Samuel (Dinis Neto Jorge), a young sad sack, about to kill himself by plunging into the sea.

NEWYORKER: The Last Dive