Just as the sister wives get comfortable with fourth wife Robyn and her children, the Brown family is once again thrown into turmoil. Coming out of the closet has changed things for the better, as they don't have to hide their lifestyle anymore. But, immediately after going public as polygamists, they learn that they are under investigation by the police. They try to go on with their lives, but the tension mounts steadily until finally, fearing that their happy loving family could be torn apart, the Browns make an enormous decision. It's a decision that will change their lives forever. Includes a bonus "Sister Wives Honeymoon Special."