It she had died - Emilia, his beloved vampire wife. They'd died and as a doctor, Colt could do nothing but watch them fade into nothing, their years of escaping death finally catching up to them.

He became known as the SIlent Doctor, because after the death of his family, Colt had resigned himself to a fate of solitude. After Emilia, he never thought he could love another. He resigned his life to a lonely vampire medic, keeping the truth of his identity as a vampire a secret. Nobody knew. Despite his aloofness, he was popular amongst women for his classy good looks and gentlemanly behavior.

Many years had passed. One usual day, Colt was notified of a new patient. Shrugging, he walked into the room with an air of charm and casualness. "Hello. I'm Dr. King. How may I-!"

He stopped abruptly when he caught your eyes, his pupils dilating. Only one thing passed through his head: MATE