The Bloods are in control, and they're desperate to turn Britain into the world they want to see - right, white, Christian supremist. Anyone who they call abnormal is a target. Amidst the chaos of civil war, the country is on the move as small militia groups fight each other and a sea of refugees escapes the cities and the pursuing Bloods.

When her home is destroyed in a bombing raid, Marti must strike out on a mission of her own - to save her father and get his vital software into the right hands. But Marti is mixed race and trans and has her three-year-old brother in tow. Crossing into enemy territory could prove suicidal. Yet Marti's enemies haven't reckoned with her indomitable will to survive - and the gun she carries, which has three bullets.