Season 4

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.

Kiera pressures Carlos for more time. Kellog faces unexpected danger. The future soldiers plan a raid.

Kiera and Alec risk everything to stop the future soldiers.