Diana: Tess Doerner. Diana: Which is quite frankly, a little disturbing. Josiah and his sons are closing in on Richard and Lily. Lily: Had to be. Mrs Sumlin: This is a miracle. Shadow At A Time. Tom and Diana arrive at the sanitarium, to find building of Tess' device in progress. When?
Plan: A: a mysterious structure; Q: What do Tom and Diana investigate? A: a psychiatric hospital; Q: Where is the mysterious structure being built? A: 4400; Q: What is the code name for a schizophrenic? A: Tess Doerner; Q: Whose drawings are being used to build the mysterious structure? A: Richard; Q: Who must protect his family when he and Lily are discovered to be 4400s? A: a two-part episode; Q: How many episodes is this? Summary: Tom and Diana investigate a mysterious structure which is being built at a psychiatric hospital, based on the drawings of a schizophrenic 4400, Tess Doerner . Richard must protect his family when he and Lily are discovered to be 4400s. This is a two-part episode.