From the Variety review of the flick:
"At a fateful dinner party, the camera circling ominously, Angela, outraged that Mike has brought along his mistress (Denise Boutte), triggers an avalanche of aggressive secret-telling that leads to disaster."
From Armond White's review at the New York Press:
"He convenes a group of thirtysomething professionals, psychologist and relationship expert Patricia (Janet Jackson) and her friends: criminal attorney Dianne (Sharon Leal), esthetician Angie (Tasha Smith) and plus-sized housewife Sheila (Jill Scott). They rent a winter cabin in Pemberton, Colo., for a weekend marriage retreat with their husbands,..."
Might be interesting. Here's the official website for the movie. Playing in lots of theaters now.