August Harding broke Gia Valentino's heart when he left Silverado Lake and never came back. Fifteen years later, he is steps away from becoming partner at one of the largest vineyards in California. All he has to do is turn around the failing Valentino family winery. Only Gia is now the winery's general manager, and she has her own ideas to revive the business. Lucky for August, she agrees to play nice—under one unusual condition. Gia may have been fooled once by August's charm and good looks, but she's not repeating her mistakes. Only her beloved grandparents don't know how close the winery is to financial ruin, and Gia's afraid the news will break their hearts. To save the winery, she'll work with August—if he pretends that he's only there only to restart their summer romance. But Gia can't deny heat still simmers between them. Will August convince her that this time, their romance will last year-round?