A recently divorced district attorney falls for his troubled son's schoolteacher.

Mystery writer Marian Carstairs is hard at work trying to finish her latest novel. Her three children meanwhile are entertaining themselves by trying to solve a murder in their own neighborhood. In between gathering clues, the kids play matchmaker by trying to fix up their widowed mom with the handsome detective investigating the case.

Newly married Kay Dunstan announces that she and her husband are having a baby, leaving her father to come to grips with the fact that he will soon be a granddad.