Stephen Jameson discovers the truth about his emerging supernatural abilities when he meets others like him -- but also becomes the target of a dangerous group called Ultra, who want his help to eradicate the Tomorrow People.
Now in the employ of Ultra, Stephen attempts to discipline his new mind-reading abilities to keep his alliances secret. Meanwhile, the Tomorrow People search for a troubled teen who is using his newly-emerging powers to commit crimes.
As Cara relives the traumatic events of her breakout five years ago, Stephen asks for help when his new mind-reading powers reveal that one of his classmates is in trouble.
When a super-powered fugitive from Ultra's past resurfaces in a series of deadly explosions, Stephen asks John for help in stopping him -- unaware that he has personal history with the man.
The Tomorrow People go top-side for a little R&R, against John's wishes. Meanwhile, Stephen is summoned to meet one of Jedikiah's mysterious partners in the upper echelons of Ultra.
Stephen and Cara attempt to keep a new break-out out of enemy hands, unaware of her personal connection to Ultra. Meanwhile, Russell and John embark on a cross-country trip to a funeral for Russell's father.
The team targets a dangerous break-out who is using his powers to commit heinous crimes against women, and Stephen ends up on the high school basketball team. John returns home to find that his relationship with Cara has become strained.
The team plans a dangerous infiltration of Jedikiah's mind in search of information about Stephen's father, but get more than they bargained for when he fights back -- and threatens to expose John's secrets.
The Tomorrow People take drastic actions to try and force Jedikiah to release John. Meanwhile, Stephen uncovers a way he believes will allow him to finally find his father.
A dangerous inmate breaks out of a high-security Ultra laboratory, using his powers to search for his wife. When Stephen learns about it, the Tomorrow People devise a dangerous plan to free everyone who is being held captive.
Cara deals with a powerful person from her past who has returned to the city with a gang of thieves. Stephen and the other Ultra trainees are pushed to prove their worthiness, and the Tomorrow People's newest resident causes problems in the lair.
When Marla's new boyfriend takes the family on a camping trip Stephen takes advantage of the situation to test Peter's powers. Meanwhile John must rescue Astrid from Ultra assassins.
With Astrid still in danger Stephen is approached with an offer by the Founder, who wants his help finding his super-powered but rebellious daughter. John and Cara clash over a leadership decision.
The group becomes aware of an assassin who appears to have powers, and Cara and Russell try to lure him into a trap. Jedikiah tries to bring Stephen back into Ultra, offering to reveal more of his father's secret past.
Julian is captured after attacking Ultra directly, and offers to deliver Cara and the rebels into the hands of the enemy. Astrid turns to John for comfort when she has trouble facing her fears.
When a woman arrives in the city using her powers to fight bad guys and save the innocent, Russell believes she is a woman from his past. Meanwhile Stephen learns more about Hillary's reason for working with Ultra.
After Stephen learns about the location of his father's body Jedikiah enlists him in a plot to kill the Founder. Cara has a lead on an unusual new break-out, only to find that it is her own sister -- who has no desire to give up her life and enter Cara's world.
To test the Founder's true intentions with Ultra, Stephen and Hillary agree to track down a break-out living as a street magician. Jedikiah emerges from hiding to try and force the Tomorrow People to ally with him against his former employer.
Jedikiah's failed attempt to infiltrate Ultra prompts the Founder to put a price on his head, and sets up a potential alliance between Ultra and the Tomorrow People. Jedikiah asks for John's help protecting Roger, and Cara sets her sights on Stephen's partner, Hillary.
Roger's astonishing return complicates things for both the Tomorrow People and the Jameson family. But with the threat of the Founder still looming, the group decides that the machine must be destroyed. Meanwhile, the underground alliance of the Tomorrow People begins to fracture.
In the wake of Hillary's desperate act the Founder demands that the Tomorrow People hand over Roger, threatening to kill them off one by one until he gets his way. As Jedikiah works to create an antidote to Ultra's serum, Stephen and Cara try to infiltrate a secret government facility -- while John struggles with the loss of his powers.
After the loss of someone close to him Stephen look for a way to take revenge, while the Founder demands that Russell and Natalie deliver Cara to him. With the Machine counting down to doomsday for all of humanity, the Tomorrow People plan to make a bold assault on Ultra's well-guarded headquarters.
