- The play Hamlet by William Shakespeare is about the Prince of Denmark named Hamlet who seeks revenge on his uncle Claudius for murdering Hamlet's father. - Hamlet struggles with deciding whether to avenge his father's death or not. He also grapples with discerning what is real from what is merely appearance. - Throughout the play, themes of revenge, decay/corruption, sanity vs insanity, and appearance vs reality are explored through Hamlet's journey to avenge his father's murder.