Inspector Kiera Cameron loses everything she has and finds herself on a new mission when she and eight dangerous terrorists are transported from their time in 2077 back to 2012 during the terrorist’s attempt to escape execution. She takes on a new identity and joins the Vancouver Police Department in order to stop the terrorists’ reign of violence. Along the way, she befriends Alec Sadler, the 17 year old who will one day grow up to create the technology her world is built upon.

Kiera tries to find the members of Liber8 before they do more damage. Her attempts are hindered when her cover is blown and her partner on the VPD, Carlos Fonnegra, arrests her. But when she discovers Liber8’s plan to attempt to get back to 2077, she has to escape and possibly ally herself with her sworn enemies to get back home.

Kiera and Carlos investigate a series of mysterious murders in which victims have been drained of endocrine fluid only to discover that the crimes were committed by Liber8 in an effort to save Travis, their leader. Kellog tries to make a truce with Kiera by delivering her a gift, one that could cost her and Carlos their lives and will lead to Kellog’s expulsion from Liber8.

Kagame's return begins with a reset of Liber8’s agenda, away from violence and towards blending into the community. But there may be a glitch – there is the possibility that if their ancestors living in this time are murdered, they might cease to exist. A test of this theory is devised with Kiera and her grandmother as the guinea pigs.

Kagame pursues the first step of his new agenda – winning over the intellectuals and the grassroots dissenters. When Liber8 kidnaps the CEO of a major corporation, Kiera and Carlos must race an actual ticking clock to save the CEO from public punishment.

The high-stakes Union Election gives Kiera her first taste of contemporary political intrigue. But issues of trust and loyalty come up for Kiera as evidence points to Carlos in the death of an investigative reporter. Kiera will learn firsthand the lengths a person will go to get elected.

When Kiera and Carlos investigate two mysterious murder-suicides, they quickly realize that both may be the result of a lethal computer program turning video game programmers into killers.

While accompanying Carlos on a routine investigation of a farmer who purchased large quantities of ammonium nitrate, a fertilizer used in explosives and agriculture, Kiera discovers that the farm is actually the home of Alec. What seemed like a routine check quickly escalates into a tense standoff.

Kiera must race against the clock when she realizes that in her timeline, today is the day that terrorists bomb a building killing hundreds of innocent people. As she tries to stop the imminent bombing, Liber8 kidnaps her trusty sidekick Alec after he realizes his stepbrother Julian is under their sway.

Kiera resurfaces after the mayor is killed in a brazen assassination. She reunites with Carlos to solve the murder and also tries to reconnect with Alec, who has changed since reading the message from his future self.

Kiera and Carlos's reunion is a bumpy one as they attempt to thwart Liber8's brazen hijacking of a prison transfer. Meanwhile, Kellog approaches Alec with an enticing partnership proposition. The young genius is tempted, but will it lead him down a dark path?

Alec is injured in a car accident while joyriding with his friends who are intoxicated on a dangerous new drug sweeping the streets. Kiera recognizes this new poison as a drug from her future and deduces that Liber8 is responsible for putting it on the streets. Julian’s mother visits him in prison, awakening his desire to take the fight in a new direction.

Kiera and Carlos discover that a Juror on Julian's trial has been compromised and must race to protect his family from a Liber8 plot. Alec is torn between telling the truth at his brother's trial or protecting his mother. Emily reveals she is more than just a pretty face.

Alec’s mother is shot by a bullet meant for Julian while Dillon’s new Liber8 task force is put to the test when Kiera must decide how far she will go to stop Julian's murderous future.

After a surprise attack by the shadowy group posing as Section Six, Kiera is captured by Julian’s followers. Alec reactivates Travis' military chip in order to hunt him, but the hunter soon becomes the hunted.

Chaos breaks out in Vancouver when a series of cyber attacks turn the city upside down. Kiera and Carlos race to find the perpetrator while clues suggest Alec's own technology has something to do with it.

Kiera races to rescue Alec from himself and preserve her own chance of getting home. Alec must make a difficult decision between solving Kiera's dilemma or his own.

As Kiera works to free a college student caught in a police cover-up, her perspective on police behaviour is thrown into question. Carlos discovers Liber8's influence reaches right inside of VPD. Alec secures an unlikely ally.

Kiera confronts uncomfortable truths while paired on an investigation with Dillon. Julian puts himself in the spotlight by exposing a corporation's dirty deeds. Alec deals with the pressures of his new role at Piron and an uncomfortable secret revealed by Carlos.

Kiera's relationship with the Freelancers is pushed to the limit as she forges a deeper connection with the mysterious John Doe. Alec crosses the rubicon to protect his legacy. Kiera makes a shocking discovery.

Kiera finally learns the truth about John Doe. Alec must make a difficult choice between business and family. Liber8 is rocked to the core by new information about their mission.

Something's hidden deep in the Freelancer facility. Kiera and John Doe work to retrieve it, but the price of knowledge may be betrayal. Carlos resolves to wrest control of the VPD from Piron and Dillon. Help arrives courtesy of an unlikely – and deadly – ally.

Kiera, injured during her and Brad's escape from the future soldiers, has a renewed desire to return to her son in the future. Brad reunites with the future soldiers in a bid to gain their trust and work from the inside. Alec gets revenge on Kellog by hacking into Piron which causes unexpected consequences and revelations.

Kellog uses Alec's weakness against him. Kiera tries to negotiate. Alec sets out on his own to try to save Emily.

Alec joins Carlos and the VPD. Kiera and Garza form an alliance.

Kiera and Brad's trust reaches a breaking point. Carlos and Kellog come to their own realizations; Alec has a strange encounter.