Rob and Casey stumble upon their darkest days. Ashton is in an accident with Cassidy Malone days before he comes out as gay and ends up being killed by her father. Shane passes away from cancer and Dion is left an orphan after he finds out his birth mother forged everything about the adoption & marriage to Shane. In the midst of it all, Rob graduates from MCCC, Jaxon graduates high school, and the family realizes that when they say "All for one and one for all," they mean it.