Quadrangle (2010) is a Documentary film that follows a documentary about two 'conventional' couples that swapped partners and lived in a group marriage in the early 70s, hoping to pioneer an alternative to divorce and the way people would live in the future. Quadrangle is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 3.1 out of 10 from 7 votes. Fans of documentary movies may also want to explore similar titles below.