Watch Your Back! by Jillian Brookes Ward

Revenge is a two edged sword, and it cuts both ways. When it does it hurts - everyone. When Hamish McKinnon’s younger sister is drugged and raped by a sexual predator, they take it upon themselves to find and punish the perpetrator. Their plan for revenge soon takes an emotional toll on Hamish, a decent and usually law-abiding citizen. If he falls apart, their crusade for vengeance and retribution will crumble. Will he be able to hold himself together long enough for justice to be served?