In a dystopian London, Sephy, the Cross daughter of the Home Secretary and Callum, the Nought son of their housekeeper, fall for each other, but the odds are not in their favour.

Callum and Sephy desperately look for a place where they can spend some time together. However, a suspicious Lekan assumes Sephy is hiding something.

Lekan plots an attack during a Nought holiday, and Callum is among those posted in the security detail; Jude confronts him, but Callum shows restraint and pays a price; Callum and Sephy continue their relationship but get caught up in a bomb attack.

Albion is shaken by the aftermath of events at Demwa Hospital; Sephy makes a mistake that changes Callum's life forever.

When the McGregor family receives life-changing news, Callum desperately tries to discover the truth and winds up committing to the cause.

Callum begins working with the brutal Liberation Militia and makes an important decision that threatens to endanger Sephy's life.