What movie is this? Please Help! It has multiple stories?

This movie has multiple stories. This movie was made over 4 years ago. What I remember from it is a couple goes on a trip to Africa and these two boys from Africa take a gun from someone and they shoot at this bus killing or injuring 1 of the Americans. The investigators of the crime find the gun and the movie then goes onto tell the story about this Asian mans daughter who is sex-crazed and her father was the man who gave his gun to the African. The movie constantly switches the story thats being told from different perspectives, and all these people from different parts of the world are connected by the shooting.