An exploration of "Zentai," a full-body spandex fetish that many claim gradually builds sensation, while stripping away identity; a look at polyamorous relationships, an alternative to traditional monogamy that is growing in popularity with millennials; anonymous users discuss the consequences and benefits of "Ashley Madison," a website that promises to make affairs discreet and uncomplicated; and the user-generated crowd-sourced video platform "Make Love Not Porn" and its creator Cindy Gallop celebrate real-life sex.