In the pulsating heart of the city, an unknown force draws you into the dimly-lit, grungy tunnels of the metro. The air is thick with anticipation and the scent of sex. A lone brick, thick and robust, lies untouched on the tracks. As the camera pans, it reveals a hidden world of desire and taboo. The brick, a silent witness to the city's most carnal secrets, beckons you to explore the uncharted urban delights that lie ahead.