Build a movie plot around this: What does Marcus use to knock down an end wall in the hallway? pickaxe
A:
In the opening shot, while a child's song is playing in the background, a scream is heard, a unknown bloody knife is thrown to the floor, and a youngsters feet stand by the knife.Marcus Daly (David Hemmings) a British jazz pianist is conducting some music and tells the musicions that the music must be more perfect.At the same time, Helga Ulmann (Macha Meril) is at a lecture with Professor Giordani (Glauco Mauri) and Mario Bardi. During the presentation, Helga reacts violently to a premonition of a "twisted mind" and she says "you have killed, and you will kill again!" Helga also mentions a singing child. Someone in the audience gets up a leaves. Later, Helga tells Giordani that she may know who the killer is and that she will write it down and tell him tomorrow.At Helga's apartment, she is on the phone with her German publisher when she hangs up after hearing a children's song being played in the background. A minute later, the front doorbell rings. Helga gets up to answer it when she has a bad psychic vibe and backs away from the door. Just then the door bursts open and the killer (unseen except for wearing a brown raincoat and black leather gloves) bursts in and attacks her with a meat cleaver, stabbing her several times. Leaving her for dead, the killer then takes Helga's notes and begins to look through her papers while Helga tries crawling away.Down in the square below Helga's apartment, Marcus is talking with his constantly inebriated friend Carlo (Gabriele Lavia). Shorly after Carlo leaves, Marcus looks up and sees a bloody Helga crash through her apartment window. Marcus runs up to Helga's apartment, helps her dead body out of the broken window, and sees a person in a brown raincoat running away through the square. A little later, the police arrive and question Marcus about witnessing the killing. Marcus feels that something from the apartment is missing but cannot put his finger on what it is. Just then Gianna Brezzi (Daria Nicolodi) a fiesty photojournalist, enters the apartment, but is told to stay...