Description:

Detective Lindsay Boxer is jogging along a beautiful San Francisco street when there is a fiery explosion. A townhouse owned by an internet millionaire is immediately engulfed in flames, and Lindsay finds three people dead. A child is missing, and a mysterious message at the scene leaves Lindsay and the San Francisco Police Department completely baffled. Then a prominent businessman is found murdered, with another mysterious message left behind. Lindsay asks three of her friends to help her figure out who is committing these murders - and why they are intent on killing someone every three days. Even more terrifying, the four friends - who call themselves the Women's Murder Club - discover that the killer has targeted one of them...