Christmas is coming, but for ER consultant Mac Sullivan it's just another day. Since losing his wife two years ago, he's thrown himself into work and has no interest in serious relationships. Enter Nurse Louisa Young, who brings warmth, sparkle and Christmas into his ER department. The question is can she bring it into his life, as well? Louisa's one Christmas wish is that maybe, just maybe, she can melt the ice that surrounds the gorgeous consultant's heart...