Synopsis:
Isabelle is now a beautiful 20 year-old woman. Richard must contend with profound changes in both his daughter and his wife, who has turned 75. Tom and Diana track down a radical 4400 organization called the Nova Group. Diana attempts to help her daughter, Maia, who is having trouble controlling her visions now that she is no longer on the promicin inhibitor. Tom and Diana apprehend Gary, but he refuses to give any information about October 19. Shawn helps Isabelle deal with the guilt of her mother's impending death.