Two married couples share a room on the way to a wedding.
Questionnaire for couples considering more spice.
Two couples become closer than they ever expected.
Nora and Ryan meet their neighbours' swinging friends.
Alan and Cindy make their move.
Tango dancers decide to seduce their tango dancing friends.
The couple's jungle sex adventure concludes.
The couples begin to collectivize their marriages.
Emma becomes a sumo wrestler's prize.
More than the springs are hot.
Entrenched as CIA spies, Mr. & Mrs. Smith want a divorce.