An unusual film noir/medical drama that combines a romantic triangle of jewel smugglers (Evelyn Keyes, Charles Kovin, Lola Albright) with a potential smallpox epidemic that one of them introduces to the city. Doctors, local police and US Treasury agents work separately at first, then join forces to track down the highly contagious and near-delirious woman who's trying to stay alive long enough to kill the man who betrayed her.
Dialog is occasionally weak and the semi-documentary/public service style does disrupt the flow in places, but for the most part this is a suspenseful and satisfying (if lesser-known) noir, thanks to Henry Hathaway's direction, the unusual plot, some wonderful NYC locations and Joseph Biroc's cinematography. Also features an appearance by character actor Celia Lovsky (T'Pau in "Amok Time," Star Trek TOS).
BTW, if you're a fan of film noir, check out my list: