For Kate Klein, semi-accidental mother of three, the unsolved murder of a fellow mother is the most interesting thing to happen since the neighbours cracked their septic tank. Up until then life in suburbia has been distinctly underwhelming. Her once-loving husband is hardly ever home. The supermums on the playground routinely snub her and her days are filled with an empty routine. So, on Mondays, Wednesdays and Fridays, when her kids are in nursery school, Kate launches a murder investigation of her own. With the help of her best friend, carpet heiress Janie Segal, and former flame, Evan McKenna, she is drawn deep into the dead woman's double life. Suddenly suburbia is not so ordinary after all...