A biologist's husband disappears. She puts her name forward for an expedition into an environmental disaster zone but does not find what she's expecting. The expedition team is made up of the biologist, an anthropologist, a psychologist, a surveyor, and a linguist.
rides a black dude's cock at a time when her white military husband is away on a mission.
Watch the clip below. The cheating scene is at 2:22min, and then again at 4:23min.
There's also a brightened version of the cheating scene video at scandalplanet.com. Highly recommended because you can clearly see Natalie Portman's naked back and a bit of her side boob much better. Click here for that video.