Saffy has a secret. A secret that she is deeply ashamed of. It's not the fact that she's a serial killer in her free time. In fact, she's quite proud of that. After all she's only killing the bad men

Marina is a divorced mother of three preschoolers. Lilah is a shy and lonely librarian. Opal is a broke post-menopausal fitness guru. These three women have absolutely nothing in common – except