Seven

Lily Barnes leads an ordinary life, where her common sense and insecurities keep her from exploring anything too far off the beaten path. But when a simple mistake ends with her meeting a strange young man in a stairwell after-hours, she realizes that he is anything but ordinary.

He calls her 'Seven', and sends Lily down a rabbit hole of sexual exploration and degradation. She becomes obsessed with the memory of their illicit encounter, and the potential of the next one. Each meeting deepens the mystery. Soon she's presented with an impossible challenge to earn her name, and become part of a secretive organization that spans wider than she can imagine.