Kiera不惜一切代价来阻止Alec改变历史，这意味着她必须阻止他实现拯救Emily的目标。Kiera决定于神秘的「自由战士」组织结盟，但他们值得信任吗？

一系列银行劫案都与Liber8组织有关，Kiera在调查中发现这些劫匪都受到最近刚刚逃脱的Lucas的控制。Carlos在不情愿的情况下对时间旅行有了「新认识」，这也开始影响到他的工作。

警方试图掩盖一起事件的真相，一名大学生卷入其中，Kiera打算救其脱险。在此过程中，她对警察的行为产生了质疑。Carlos发现Liber8组织的影响力已经渗透进温哥华警署。Alec结交了一个不靠谱的朋友。

Liber8组织闯进当地电视台劫持了一批人质，其中包括Dillon。当Kiera和Carlos试图解救人质时，Kellog和Alec同意进行「生意合作」——但他们的合作关系最终没能按计划发展。

Carlos和Kiera抓紧每一分每一秒来阻止Liber8针对温哥华的化学恐怖袭击。与此同时，Carlos必须面对情感上的创伤，这导致他在行动中情绪不稳。

2076年，Kiera在一次转运囚犯的过程中遭遇意外情况，她的CPS飞行器坠毁。为了活命，她被迫与自己抓获的敌人进行合作。2014年，Alec几乎快要侦破Kiera的谋杀案——因为他找到一种方法来恢复她生前最后时刻储存在CMR中的记忆资料。

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 and Carlos, reeling from a shocking loss, hunt down a ring of enigmatic high-tech thieves, even as a handsome, yet distant amnesiac begs for help in discovering his identity.

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 and Liber8 join forces to stop a power-hungry Alec; Kiera and John Doe realize their relationship is doomed; Scar Alec sacrifices his hard-won desire for a simpler life.