Life seems like it can't get any better for Alex and Jane Keane ? a temple marriage, two adorable children and another one on the way, a promising career, and a beautiful home. Then, within a few short days, their safe and happy lives are turned upside down when they learn that their young son, Barrett, has a life-threatening illness. And as if that were not enough, the revelation that Alex has a half-brother threatens to tear lives and families apart....