In 1942, in San Juan, Puerto Rico, a casino is organizing a farewell party for its patrons, since it's about to be turned into a US military base. The guests drink, seduce and gossip, but some also plot against each other.
It tells the story of a slave rebellion on a sugar plantation in the days leading up to the official abolition of slavery on the island on March 22, 1873.
The location of the dividing line between two farms causes friction between two families.