 He changed the characters' names and added the idea of the vampire bringing the plague to Wisborg via rats on the ship, and left out the Van Helsing vampire hunter character.Galeen's Expressionist style screenplay was poetically rhythmic, without being so dismembered as other books influenced by literary Expressionism, such as those by Carl Mayer.Lotte Eisner described Galeen's screenplay as """" ("full of poetry, full of rhythm").