In Gertrudes Chamber, Polonius enters and tells her to be harsh to Hamlet upon his arrival whilst he hides behind a tapestry. When Hamlet arrives Gertrude tells him that he has offended his father, meaning his stepfather Claudius. He interrupts her telling her that he will make her fully aware of the profundity of her sin. Gertrude begins to fear for her life and cries out for help. Hearing this, Polonius also calls out for help. Hamlet realises someone is behind the tapestry and suspects that its Claudius. He cries “How now! a rat?”.  He draws his sword and stabs it through the tapestry instantly killing Polonius. Hamlet asks whether its the King or not. Gertrude says it was a bloody deed but Hamlet responds by saying it was almost as bad as murdering a King and marrying his brother. The ghost appears but only Hamlet is able to see it. Gertrude is confused and the ghost tells Hamlet to describe how it looks but the Ghost disappears. Hamlet convinces Gertrude that his madness is only an act and makes her promise to not tell Claudius. He tells her that he regards Rosencrantz and Guildernstern as poisonous snakes. He then leaves dragging along Polonius’s body.