Kata is a nurse from the oncology department of Reykjavik Hospital and has seen a lot of pain and suffering in her life. But they were strangers, not hers... She understood what real suffering was when her daughter disappeared without a trace, and then, a year later, the girl’s body was discovered. The identities of the probable rapists and murderers - and there were three of them - were determined quite quickly, but they had nothing to show: there was no direct evidence left. And then Kata, standing on the verge of despair and madness, decided that there was no point in waiting for retribution from God or the state. That she is the punishing sword of justice... Our world is cruel and dangerous. But there is nothing and no one more dangerous than a woman who is forced to defend herself...