When Jack, a romantic and heartbroken darkroom technician, finds himself developing film from an erotic photoshoot, his dormant sexuality resurfaces. With a promiscuous and beautiful photographer, Samantha, as his guide, Jack is taken on a sexual journey through San Francisco. Together, they visit nudes beaches, erotic photoshoots, a bathhouse, and the BDSM-themed Folsom Street Fair. With trepidation, Jack immerses himself in this sensual world of sex and public nudity. Throughout their adventure, both Jack and Samantha struggle with their dark pasts, as they dive deeply into ideas of art, sexuality, and intimacy. Slowly, as they expose themselves to one another (and to others!), they begin to fall in love. Before the story is over, they travel to Italy for a deeply romantic and erotic vacation. In Part One of this story, Jack and Samantha meet after Jack develops Samantha's erotic photographs.