Prince Hamlet is depressed. Having been summoned home to Denmark from school in Germany to attend his father 's funeral, he is shocked to find his mother Gertrude already remarried. The Queen has wed Hamlet 's Uncle Claudius, the dead king 's brother. To Hamlet, the marriage is "foul incest." Worse still, Claudius has had himself crowned King despite the fact that Hamlet was his father 's heir to the throne. Hamlet suspects foul play.
When his father 's ghost visits the castle, Hamlet 's suspicions are confirmed. The Ghost complains that he is unable to rest in peace because he was murdered. Claudius, says the Ghost, poured poison in King Hamlet 's ear while the old king napped. Unable to confess and find salvation, King Hamlet is now consigned, for a time, to spend his days in Purgatory and walk the earth by night. He entreats Hamlet to avenge his death, but to spare Gertrude, to let Heaven decide her fate.
Hamlet vows to affect madness — puts "an antic disposition on" — to wear a mask that will enable him to observe the interactions in the castle, but finds himself more confused than ever. In his persistent confusion, he questions the Ghost 's trustworthiness. What if the Ghost is not a true spirit, but rather an agent of the devil sent to tempt him? What if killing Claudius results in Hamlet 's having to relive his memories for all eternity? Hamlet agonizes over what he perceives as his cowardice because he cannot stop himself from thinking. Words immobilize Hamlet, but