I think the connection is that both geeks and poly folks like to way overthink things and choose the more complicated options -- rolling up D&D characters instead of just watching sports, juggling multiple relationships instead of just practicing serial monogamy.
The major players. Me, under-30 bi female. Gia, girlfriend of 3+ years. Clay, new boyfriend/dom. Davis, ex/"it's complicated."
The supporting cast. Eric, Gia's husband. Bee, Gia and Eric's toddler. Dexter, Gia's lover. Helen, Eric's lover. Izzy and Nikki, Clay's partners. June and Royce, Izzy's partners.