open romantic relationship theme

Two or more people engage in an intimate relationship that is sexually non- monogamous.

3 total · 1 major · 2 minor

StoryLevelMotivation
movie: TerrorVision (1986) major Stanley and Raquel were unabashed swingers. Spiro and Cherry were likewise swingers.
blackmirror5x01 minor Danny and Theo apparently had some arrangement at the end, where they would periodically seek romance outside of their relationship for a day.
novel: A True Story (180) minor Lucian reported how all the men inhabiting the Island of the Blessed shared their wives without jealousy.