An environmental police officer uncovers a hidden world of mythological entities from Brazilian folklore when he finds a connection between the mysterious appearance of a dead river dolphin on a Rio de Janeiro beach and the death of his beloved wife.

The story of the decline of the Soares family in the final months of the 19th century. Isabel is the dying mother, and her daughters are Maria and Ana. The three women try hard to forget about their pasts in the coffee farm and face the industrial times that start to take over Brazil.