Nurse Amelia Peterson's relationship with bad-tempered E. R. doctor "Mac" McDougal has always been rocky. So she's astonished when he asks her out for dinner one night…and even more surprised when she wakes up with him the next morning! The ill-matched pair are both sure it was a one-off — no matter how much they might find themselves desiring each other! But, while Mac doesn't do relationships, he has always wanted a child — and when he realizes that Amelia's pregnant, he comes up with the most unexpected proposal….