Complex sentence: The film was produced by Jason Blum through his Blumhouse Productions banner, and follows a college girl who is killed on her birthday, only to keep waking up the previous morning, so she sets out to find the killer and stop her own murder.
Split into simpler sentences: The film was produced by Jason Blum through his Blumhouse Productions banner, and follows a college girl who is killed on her birthday, only to keep waking up the previous morning. She sets out to find the killer and stop her own murder.