In New York City, German agents arrange for Jane Graystone (Nancy Coleman) to take a taxi driven by one of their own men. The abduction goes awry when the taxi collides with another vehicle. Both driver and passenger are taken to the hospital in an ambulance attended by intern Dr. Mike Lewis (John Garfield). On the way, Jane regains consciousness and claims to have amnesia; she cannot remember who she is. The driver reports this to his superiors. Mike is excited, as this is his area of study, and persuades Dr. Murdoch (Roland Drew) to let him take the case.