Discovering that NTAC is behind the disease plaguing the 4400s, Tom and Diana try to get to the bottom of NTAC’s cover-up, while Kyle considers turning himself in.

Tom and Diana continue their investigation on Jordan Collier’s plan for mankind. Dennis Ryland rejoins NTAC. Isabelle prepares for battle.

NOVA group members that were in the custody of NTAC escape from jail with outside help from Jordan Collier. Diana tells April about her relationship with Ben. Shawn and Richard…

Tom and Diana’s investigation into a series of gruesome murders leads them to uncover another conspiracy within the government. At the 4400 Center, Shawn receives a gift from another returnee…

With the help of Dennis Ryland, NTAC track down the remining members of the NOVA group. Nikki pays Shawn a visit.

Gary Navarro is arrested for the second attempt to assassinate Dennis Ryland. Knowing she is the key to her mother’s survival, Isabelle attempts to kill herself by jumping off the…

Ryland and other government officials are on trial for withholding vital information that they discovered about the returnees when a disturbing sound is heard the courtroom. Tom and Diana, with…

The vineyard opens up and the whole family attends. Holly also makes a move on Mark when Nora is gone.

Rebecca tells Justin that Joe kissed her. Joe tries to confess to Sarah about the kiss, but before he can get enough courage, she receives the news from the most…

Sarah accompanies Kitty to Senator McAllister’s hometown to interview local residents for his upcoming election campaign, where she meets his high school sweetheart Alice. The pair meets up with some…

Nora invites her late husband’s illegitimate daughter to a family dinner at the Walker house against some of her children’s wishes. Kevin Walker’s hush hush relationship with a movie star…

When a suspect voluntarily admits to killing a reality show celebrity chef in his own restaurant, Danny and Baez are convinced the suspect is taking the fall for someone. Also,…

During the week of Christmas, The Team is Forced to work overtime when they discover their prime suspect had been dead for 17 years.

In the first-season finale, Farnum and Tolliver take advantage of the arrival of a U.S. Army general. Adams teaches Clagett a thing or two about loyalty. Bullock reacts when Alma’s…