In the pulsating heart of Rio, CNN's Silvana Souza investigates the city's most taboo and tantalizing desires. From the dimly lit, kinky corners of the city's BDSM scene to the heaving, sweaty masses at underground orgies, Silvana fearlessly plunges into the city's most extreme pleasures. She meets the locals pushing the boundaries of Rio's sexual landscape, from dominatrices to sexual revolutionaries, revealing the city's unbridled, carnal spirit.