The first time they met Detective Caleb Richards snapped handcuffs on Sarah Tait and she vowed never to forgive him. But when he seeks her help to find a kidnapped thoroughbred stallion she becomes his unwilling assistant. Sarah sets out on a marathon endurance ride. As Caleb tags along, he realises that the horse whisperer has deeper secrets than he'd ever suspected. Can he uncover Sarah's secrets and win her trust?