Genre: Thriller, crime.
Country of origin: No info, but mostly Caucasian actors.
Two married couple decide to do a wife swap for the sake of sexual novelty. It goes well, they do it again. But after that, couple A doesn't want to continue and couple B it not happy with this.
Couple B than gives a television set to couple A as a gift which is accompanied by a tape, which turns out to be a recording of one of their "meetings", essentially threatening couple A with exposure.
The young kids of couple A happen to be there when their mother checks out the tape and she smashes up the whole television set in front of her children.
There is a scene where the female of couple B kind of forces herself on the male of couple A in an elevator.
In the end, couple B gets into a car accident, they are injured but alive, although stuck in their car. Then comes couple A and sets them on fire, killing them.