80,000 Suspects

British doctor Richard Johnson arrives in the city of Bath, where a smallpox epidemic has broken out. If he has any hope of stemming the disease, he must locate and isolate its source. As if he hasn't got enough trouble on his hands, Johnson must contend with his failing marriage to Claire Bloom. Both of his problems are solved to everyone's satisfaction, but not without a few hypertense moments along the way. (allmovie.com)