After a brief exchange, Jiang Lu learned that the older beak-masked doctor was named Marino, and the other was his student brought from another region, named Greco; they were both doctors of the Church.
Florence was among the first places where the plague appeared, and motivated by religious faith, many doctors volunteered to come to the rescue from various places.
It was only after their arrival that they realized the situation was not as simple as they had imagined.
As the scale of infection gradually expanded, not only did these doctors suffer heavy casualties due to close contact with patients, but they were also effectively trapped in Florence, certain to pass through infected areas and die if they attempted to leave.
Until a genius named Charles invented a protective suit.