In the heart of Macapa, Donato, a seasoned Terraplanista, finds his bride Maria, a Terraplanista in her own right, eager to explore their wildest fantasies. The legendary Boto's call echoes through the night, summoning them to the riverbank where they indulge in a heated, primal dance. Maria's body responds to Donato's expert touch, her Golfinho rising to meet him, as they lose themselves in the taboo, intoxicating passion of the Amazon.