Three adult siblings are brought back together after a shocking diagnosis forces them to confront harsh future realities regarding the mental state of one of their own. Three adult siblings are brought back together after a shocking diagnosis forces them to confront harsh future realities regarding the mental state of one of their own. Three adult siblings are brought back together after a shocking diagnosis forces them to confront harsh future realities regarding the mental state of one of their own. Three adult siblings are brought back together after a shocking diagnosis forces them to confront harsh future realities regarding the mental state of one of their own.