A K-9 cop protects a single mum! Carson Gage has a crime to solve - the murder of his brother - and his number-one suspect is his archenemy, Serena Colton. The Coltons and Gages have feuded for generations; Carson is convinced the Serena is hiding his prime suspect on her ranch. But the beauty and her baby stir unwelcome yearnings. After all, Carson has learned the hard way that vulnerability can cost. When Serena and her child become targets of a mysterious assailant, Carson's protective urges take over. Can this irresistible attraction prove stronger than the old family hatreds and help them capture a criminal?