Nancy J. Cohen’s Murder Pays a Call follows the murder of Keri Armstrong’s beloved client, Fiona Sullivan. Keri, a private concierge, shows up to Fiona’s house one day ready to deliver groceries in return for some morning small talk. Instead, Keri finds Fiona dead in her bed. The room is a mess, which the police think is the product of a robbery. Keri isn’t convinced, and she makes it her mission to get to the bottom of things. Keri talks to and works alongside many different people while trying her best to solve Fiona’s murder. From investigating suspicious neighbors to family drama, Keri learns that secrets may come with a price, and that some people aren’t who they say they are.