When an escalating series of crimes threatens the teachers at Westbrook Developmental Preschool, amateur sleuth Susan Wiles jumps in with both feet to help the police solve the crime. After all, this is her granddaughter's school! While uncovering mysterious clues, she realizes a family member's life is in jeopardy, and that her biological mother has been hiding a secret. Can Susan balance her personal life while bringing back safety to her granddaughter's school? Find out in Murder is Developmental.