A young married couple encounters the one obstacle that may be powerful enough to drive them apart while fighting to save their failing union. Six years into their marriage, Greg and Shawnda are getting bored. As Shawnda experiments with bisexuality, Greg escapes into a torrid affair. Meanwhile, Shawnda's sister Sammy senses that something is amiss, and flies to Los Angeles to help get the crumbling marriage back on track. Just when it starts to look as if Greg and Shawnda have realized the error of their ways, however, a shocking discovery threatens to destroy the marriage once and for all.