On the tip of the knife. Blackman M.

In the alternative world, society is divided into two classes: dark -skinned crosses and white zeros.

Seffie Hadley - the daughter of an official from the Cross class - gave birth to a child from her lover, a guy from a lower class of zeros named Callum. After the tragedy that happened to Callum, Seffie does not imagine what to do next, because now her baby is doomed to live under a constant threat.

Brother Kallum, Jude, wants to take revenge on Seffie for everything that she did.

soon Jud commits a crime, and if the court proves his guilt, then he is waiting for the worst - death penalty. Only Seffie can provide him with alibi. But is she ready to help a person who wants to kill her?