Please answer the following question: Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: which is only accessible by the Others? Title: Night Watch Movie plot: Based on a play by Lucille Fletcher, Night Watch is a suspense thriller about a woman named Ellen Wheeler (Elizabeth Taylor), who one night, during a raging thunderstorm, frantically tells her husband John (Laurence Harvey) that from the living room window she has seen a murder being committed in the large old deserted house next door. John calls the police, but a search of the old house turns up nothing. The next morning, Ellen notices a freshly planted bed of flowers in the garden of the old house, that was not there before. She calls the investigating detective, Inspector Walker (Bill Dean), and suggests that the body of the murder victim she witnessed may be buried there. Inspector Walker then questions the caretaker of the old house, Mr. Appleby (Robert Lang), who confirms that he planted the flowers the night before during the storm, but refuses to let the police search the garden or dig up the flowers he just planted. Ellen is revealed to be recovering from a mental breakdown that occurred after her unfaithful first husband, Carl, was killed a few years earlier in an auto accident with his paramour. Ellen was traumatized by having to identify the bodies in the local morgue. Inspector Walker confides to John that Ellen may be mentally ill and suggests rest and a doctor. Ellen continues to maintain that she saw a murder in the deserted house, but there is no proof and John remains skeptical. Ellen's visiting friend Sarah Cooke (Billie Whitelaw) is equally skeptical and tries humoring Ellen by suggesting that she sees what she thinks she sees because of her recent breakdown. When both Ellen and Sarah see a man enter the old house the following night, they call the police, who find Mr. Appleby wandering around with a flashlight and arrest him for trespassing. A second search of the house and excavation of the garden reveal nothing, and Inspector Walker closes the case. John then brings over a psychiatrist friend of his, Tony (Tony Britton). After learning about the death of Ellen's first husband and her...
A:
Can't answer