Hamlet is Shakespeare's longest play and one of his most influential tragedies. It tells the story of Hamlet, the Prince of Denmark, who learns that his uncle Claudius murdered Hamlet's father to seize the throne and marry Hamlet's mother. Hamlet devises a plan to expose the murder and seek revenge, leading to tragic consequences for Hamlet and other characters. The play explores themes of revenge, incest, and the fragility of life and has inspired many other artists through centuries of retellings and adaptations.