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.

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 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.

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.

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.

Kiera has to solve a series of Liber8 connected bank heists and discovers the robbers are controlled by a recently escaped Lucas. Carlos’ new and unwanted knowledge about time travel begins to affect his work.