If you are at all curious about seeing this movie, I shall do you a big favor and convey the entire movie in just two sentences.
Woman A is married but cheating with Man A, who blackmails her in cooperation with Woman B. Man B then blackmails Man A and Woman B.
Don't worry, I didnt spoil the ending for you - because there isn't one.
All in all an agonizing way to kill 2 hours.
Two words: "Body Armour". BLEH!