The 4400 Season Two

Wake-Up Call
Kyle tries to visit his cousin Shawn at The 4400 Center but is thrown out. Richard and Lily are desperate to protect their infant daughter, Isabelle from Colier and other maniacs, and a schizophrenic 4400 wants a huge communicative device and makes it a hospital's project from a minor position. It's been one year since the 4400 returned. After a period of intense medical observation, Tom has returned to NTAC in a limited capacity, assigned only to desk duty. Diana, having been through a series of inept partners, finally finds a way to cut through the red tape and get Tom back, all while in the midst of formally adopting Maia. Meanwhile, Richard, Lily and the baby are still living in meager conditions in a mountain cabin far away from Jordan. Jordan has now closed Arcadia Estates, and is on the verge of opening "The 4400 Centers," a place for non-members of the 4400 to discover "the 4400 within themselves." Collier becomes Shawn's guardian, and enlists him to heal important benefactors of the Centers. It's been one year since the 4400 returned. After a period of intense medical observation, Tom has returned to NTAC in a limited capacity, assigned only to desk duty. Diana, having been through a series of inept partners, finally finds a way to cut through the red tape and get Tom back, all while in the midst of formally adopting Maia. Meanwhile, Richard, Lily and the baby are still living in meager conditions in a mountain cabin far away from Jordan. Jordan has now closed Arcadia Estates, and is on the verge of opening "The 4400 Centers," a place for non-members of the 4400 to discover "the 4400 within themselves." Collier becomes Shawn's guardian, and enlists him to heal important benefactors of the Centers.
Voices Carry
A baseball player is overwhelmed by a special 4400 ability. Collier is involved with a weapons' dealer. To Maia's delight Diana's sister visits them. Richard and Lily seek shelter at a motel where Isabelle takes some surprising initiatives. Gary Navarro, a minor league baseball player back after a 30-year absence, finds that hearing everyone's unspoken thoughts is driving him to the edge of madness. When he seeks help from NTAC, the higher-ups are more interested in how he can unearth information about Jordan Collier than how they can assist Gary with getting his life back. As the case occupies the majority of his time, Tom finds himself struggling with his responsibilities as a single father. Meanwhile, Kyle starts to get his life back through the prospect of a new relationship, Diana finds herself dealing with the unexpected arrival of her younger sister April, and as Richard, Lily, and Isabelle continue their life on the run, Richard grows increasingly disturbed by his daughter's apparent abilities.

Weight of the World
A salesman's saliva has an extremely slimming effect on people. Lily suspects a new pregnancy as Richard stumbles onto a case of jealousy. So does Collier, and Shawn is disgusted by his moral. Kyle is tempted to join a wild students' party. Maia finds her aunt's work very interesting. Someone puts his 4400 ability up for auction, and the Supreme Court will have a special session to determine if it's legal and if the auction can continue. Diana and Tom are ordered to investigate. Meanwhile, pop diva Chloe Granger is at the 4400 Center and claims that Jordan's book was a revelation to her. She even cut her tour short because she felt she needed to come to the 4400 Center and become a student. Jordan makes sure this new "recruit" is well treated as it will profit the center. Shawn is working on a recruitment video for the 4400 Center. Richard and Lily travel to Montana where they meet with Eric Papequash, who disappeared in 1955.
Suffer the Children
Some schoolchildren get startling abilities and some parents suspect child abuse by a 4400 who is their teacher. Jordan Collier changes attitude, especially towards Isabelle and her parents. Shawn is fascinated by a young homeless girl. A school teacher terrifies parents with her supernatural ability to inspire artistic students. Meanwhile, Richard and Lily are confronted by police, and Jordan warns Shawn not to overuse his healing gift.
As Fate Would Have It
Maia has a vision that frightens her and gives the NTAC serious considerations. Heidi visits he mother which makes Isabelle cry of despair. Collier sees Isabelle to get some crucial advice. Maia sees a vision of Jordan Collier's death. Kyle's frightening blackouts are disrupting Tom's personal life. Diana is asked to hand over Maia's diary to NTAC.
Life Interrupted
Tom Baldwin wakes up in a parallel or alternate world where he has married a woman two years ago but he has never seen her before. There is no trace of any 4400s from the future with special skills, and Jordan Collier is Governor. Tom and Diana track down a man to a museum, and during the chase, Tom finds a mysterious lab that only he can see. Later at the office, Tom finds that all his 4400 case files are gone, and no one has ever heard of the 4400. Carrier After living for 8 years in an alternate world that only Tom and Alana remember the world with the 4400 has returned as it was at the second the 8 years started. A 30 year old 4400 woman wakes up and finds everybody else in her local community dead. Maia puts April's love for her to a test. Tom and Diana investigate a 4400 who has released a plague that's wiped out an entire town's population, and her powers could wipe out humanity. Meanwhile, a Washington D.C. lobbyist joins the 4400 Center in order to add some political muscle to the movement. Also, April uses Maia's powers to win gambling bets.

Rebirth
A male 4400 originally from Rwanda repairs bad chromosomes of unborn. Kyle is utterly despaired as he suddenly remembers what he did during his blackout. Rishard attends a co-veteran's funeral. Diana takes s hard family decision. Tom and Diana investigate a 4400 whose ability is to heal damaged fetal chromosomes while in utero. Unfortunately, it turns out this man is responsible for the slaughter of an entire clinic. Tom and Diana are torn apart over their different opinions.
Hidden
NTAC is keen to find Jordan Collier's killer as Tom is desperate to find Kyle. NTAC follows a series of clues which leads them to Jordan Collier's killer, and when Tom discovers Kyle was the murderer, he must choose between the law and his family. Meanwhile, at the 4400 Center, Danny stirs up a mess with Liv, as well as with his brother Shawn in the process.
Lockdown
On John Colliers'ø birthday NTAC receives threatening e-mails and gets attacked by terror. Kyle is concerned that an innocent will be convicted for killing Collier. Maia gets a mysterious infection and is treated at NTAC. Isabelle has broken off her special communication with her mother and transfers it to her father. At school a girl is very interested in Kyle. Maia is sick, and Diana brings her into NTAC, where a 4400 terrorist is marking the date of Jordan Collier's birthday by placing a device that makes the males go savage, bringing on a lockdown of the facility. Meanwhile, Kyle's life takes a more normal turn with him going back to college and the start of a romantic relationship. Also, Lily begins to doubt that the 4400 Center's interest in Isabelle is trustworthy. And after a less than perfect interview with the media, Shawn tries to make changes at the 4400 Center to make it seem less like a cult to the general public.

The Fifth Page
The authorities led by Dennis Hyland wants to quarantine every 4400, as several of them are sick with the same as Maia. Hunted by bad conscience Kyle somehow contacts Marsden's girlfriend. 4400s across the world are coming down with strange and life threatening illnesses, and Baldwin and Skouris are thrust into a very delicate situation. Dennis Ryland comes back to head NTAC and issues the unpopular order to quarantine the sick as well as the unaffected 4400s. This then forces the 4400 Center to become involved and establish a safe house in the hopes of some of its members will avoid quarantine. Meanwhile, Baldwin and Skouris learn a horrible secret that the government may have directly caused the illnesses of the 4400s.
Mommy's Bosses
7 of the 4400 have died and Maia gets worse all the time Out of suspicion and despair Diana threatens Dr. Hudson with a gun. Lily has run away with Isabelle and Richard pleads he to come back. Marsdem seems unable to avoid a long prison term which makes Alison contact Kyle. 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. Can Tom and Diana find a cure in time to save the 4400s?