Heads or Tails

Heads or Tails is a Canadian sex comedy film, directed by Roger Fournier and released in 1971. The film centres on a group of friends who live in various places around the world and see each other once a year when they gather for a swingers weekend, but whose social equilibrium is upended when one of the circle cancels, sending in her place Stéphanie, a woman who is unwilling to participate in their sex games.