Eve aged 52, Penny 55 and Dorothea 60 have been the victims of a fraudster. They read about another conman who has been caught, given a short prison sentence and then, on release, has committed crimes again.The women decide that they have to do something about those that prey on the weak. They will become vigilante killers and rid their area of the perpetrators of these offences.Detective Mike Nash is in charge of the police hunt for the killer. He has recently separated from his wife and he is not too sure about her new partner which is proving a distraction from his work.When their nemesis Martin Cole, who defrauded them through a Ponzi scheme, is released from prison he is firmly in the ladies sights as a potential victim.