Crushed - The Fredrickson Winery Novels, #2

Creating the perfect wine can sometimes be murder... When Adam Fredrickson shows up at his sister's California winery, footloose and carefree, looking for a temporary job and a chance to play his music, he doesn't expect to find the winery struggling financially, or that the girl next door might just be the girl of his dreams. Margaret Parker, a single mom, newly hired as Chief winemaker at Fredrickson's, finds her simple world put to the test when her father is unexpectedly released from prison, and the man who got her pregnant at fifteen, shows up from Italy wanting to play daddy nine years too late.
It's crush time at Fredrickson Winery and everyone is working feverishly to get the grapes in and ensure a great vintage. No one expects murder to be part of the joyous harvest season.