Starting a new job in a new town, veterinarian Carter Reece, makes a house call to a very special client.

Arrogant, moody and totally gorgeous, Isaac Brannigan has been blind since he was eight. After the death of his guide dog and best friend, Rosie, his partnership with his new guide dog, Brady, isn't going well.

Carter tries to help both man and canine through this initiation phase, but just who is leading who?