Happy Death Day is a 2017 English-language Horror Mystery film written by Christopher Landon and Scott Lobdell. The movie is directed by Christopher Landon and produced by Angela Mancuso and Jason Blum under the banner of Blumhouse Productions. A teenage girl, trying to enjoy her birthday, soon realizes that this is her final one. That is, if she can figure out who her killer is. She must relive that day, over and over again, dying in a different way each time. Can she solve her own murder?. Happy death day stars Jessica Rothe, Israel Broussard, Ruby Modine, Charles Aitken, Laura Clifton, Jason Bayle and Nedim Jahic. The music was composed by Bear Mccreary. Cinematography was done by Toby Oliver and editing by Gregory Plotkin. The film has a running time of 96 minutes. It was released on 18th October 2017. The Film was successful at box office. Happy Death Day was made on a budget of $4 million and it was a super hit at box office gross of $125 million. Distribution rights for the movie were acquired by Universal Pictures.