Francesca Amaro moves back to her hometown of Cape Bay, Massachusetts, and takes over the family business, Antonia's Italian Cafe. She spends her days making delicious artisan cappuccinos, until she stumbles upon her neighbor's dead body. When the police discover Mr. Cardosi was poisoned, Francesca becomes a suspect.

The victim's son, Matty, happens to be Francesca's old high school friend. Together, they uncover the secrets of the locals in order to find the killer in their idyllic beach town.