Sam's Birthday puts Kiera on the path to an emotional meltdown which triggers an internal diagnostic within Kiera's CMR that forces her to deal with her loss or lose her tech abilities. Meanwhile, Kiera becomes the target of a department mole hunt, when Dillon is ousted and Escher installs Nora Masters as his puppet.
When a group of fanatical terrorists escapes their planned execution in the year 2077, they vault back in time to the year 2012, sweeping dedicated CPS Protector, Kiera Cameron along with them. Stuck in the past and unable to get back to her husband and son, Kiera concentrates on bringing down the terrorists before they can wreak havoc in our present.
Kiera receives unexpected assistance from a teen tech genius Alec Sadler. Impersonating a member of local law enforcement, Kiera also forms an uneasy alliance with her detective partner Carlos Fonnegra.