Murderous

Louis Tomlinson and Eleanor Calder are getting married. As Eleanor gets ready to walk down the aisle, a man dressed in black with incredibly curly hair walks in. He has shades on, but Eleanor could see his eyes were a mystical green. The man attacks Eleanor, murdering her. Louis is devastated when he finds his fiancé on the floor with blood dripping from her neck. The murderer isn't found.
Louis tried to search for the person who killed the one he "loved". The thing is, someone keeps distracting him from his work; Harry Styles. Louis finds out Harry has feelings for him, and he tries to make him feel better. Every night, Harry pleasures Louis, and whispers sweet nothings to him as he falls asleep. Louis feels something in him crack open. He feels love. But Louis doesn't quit on trying to avenge his dead girlfriend. Why is Harry trying to distract Louis? And why do all the clues lead to Harry Styles? Can the actual Harry Styles be Eleanor Calder's murderer?