"Brothers and Sisters" spoilers are what keeps the fans most intrigued about the show. With all of the continuous drama that happens, it isn't any wonder that spoilers get leaked in order to satisfy the hunger viewers have for answers.

Saul has HIV.  The major spoiler is that in the Season 4 finale it is discovered that Saul has contracted HIV. Amongst other dramatic things happening in the Season 4 finale of "Brothers and Sisters." Saul is the gay sibling of the family whose sexuality has been an issue for him since childhood. Contracting HIV has only meant Saul needs to get healthy and redefine the priorities in his life.

Rebecca will be leaving. After the finale of Season 4 of "Brothers and Sisters," Rebecca and Justin's relationship is in a rocky place. Justin wanted to become a medical worker in Haiti for a year. Rebecca felt it was too soon for them to be apart in their new marriage, but Justin leaves any ways with this spoiler. This will cause a riff in their relationship and ultimately the end of Rebecca being on the show.

Luc models. All fans of "Brothers and Sisters" understand the allure of Luc. Evidently so does a Los Angeles agency that has Luc modeling underwear. His photos are strewn on billboards all over Los Angeles while he still works on his art.

Conflict over land. This Season 4 spoiler of "Brothers and Sisters" has a massive discovery in Ojia. Because of the discovery of a geyser in Ojia, Sarah isn't too sure about what to do with the land. It would be easier to sell the land and keep the money rather than managing a small business. However, Ojia has a special and emotional connotation with the family and a fight will be underway.

Robert dies. This is a major spoiler for fans of "Brothers and Sisters." In the Season 4 finale, Robert gets in a car accident and passes away. Leaving everyone in the family seemingly in complete disarray.