Daybreakers

2009 film by the Spierig brothers

Daybreakers is a 2009 American-Australian sci-fi action horror vampire film written and directed by Michael and Peter Spierig. The film takes place in a futuristic world overrun by vampires, and centers around a vampiric corporation which sets out to capture and farm the remaining humans while researching a substitute for human blood. Ethan Hawke plays vampire hematologist Edward Dalton, whose work is interrupted by human survivors led by former vampire "Elvis", who has a cure that can save the human species.

This keyword could refer to multiple things. Here are some suggestions: