The Women's Murder Club faces an unspeakable horror in the most gripping medical and legal thriller in years. A young mother is recuperating in a San Francisco hospital when she suddenly gasps for breath and dies. Doctors are completely mystified as other recovering patients inexplicabily become deadly ill. Accompanied by the newest member of the Women's Murder Clubm Yuki Castellano, Lietenant Lindsay Boxer probes deeper into deaths. Is a maniac playing God?