The guards see a ghost that resembles the dead king. The new king, Claudius, has married the old king's wife, Gertrude. Hamlet is troubled by this turn of events. Meanwhile, Laertes leaves for university and Ophelia believes Hamlet loves her, though her father warns her not to trust Hamlet. Hamlet later encounters the ghost which tells him that Claudius murdered his father. Claudius grows suspicious of Hamlet and sends for Rosencrantz and Guildenstern to spy on him. During a play, Hamlet's behavior towards Ophelia and Polonius further concerns Claudius. Claudius plots to kill Hamlet but his plans fail and many lives are lost as the