Welcome Stranger (1947)

Crusty Dr. McRory of Fallbridge, Maine, hires his vacation replacement sight unseen. Alas, he and young singing Doctor Jim Pearson don't hit it off; but once he meets teacher Trudy Mason, Pearson is delighted to stay. The locals, taking their cue from McRory, cold-shoulder Pearson, especially Trudy's stuffy fiancé. But then, guess who needs an emergency appendectomy?