Nora Roberts' Blue Smoke(2007)

Overview:

After witnessing an uncontrollable blaze burn her family's pizzeria to the ground when she was just 11 old, it's no wonder that Reena decides to become an arson investigator. Now, years later, she decides to visit the old neighborhood, where she finds true romance with a hunky carpenter named Bo Goodnight. But Reena is swiftly knocked off cloud nine when she discovers that a psycho connected to her past has resurfaced to wreak havoc in her life.