Source
Intertitles:
[Ellen reads book about vampires] "There is no
other rescue, unless a woman, entirely without sin, could make the
vampire forget the first crow of the cock at dawn. She would have to
give him her blood without compulsion."
Riddled by fear, the city searched for a scapegoat: it was Knock.
[Old woman] "He has been seen! He ran out of the house! He
strangled the guard..."
"He strangled him...that
vampire!"
[Ellen is shown embroidering "I love
you"]
[...]
[Ellen collapses in her husband's arms].
Hutter: "Bulwer! Get Dr. Bulwer!"
Knock has been captured.
Nosferatu drinks Ellen's blood and misses the break of dawn. The cock crows.
[Knock in prison cell] "The master...the master!
Nosferatu is burned to dust by the rising sun.
Knock: "The master...is...dead."
Source: Nosferatu, dir. F.W. Murnau, Prana-Film GmbH, 1922. wikimedia commons: https://en.wikipedia.org/wiki/Nosferatu