Hamlet seeks revenge for his father's murder, which was committed by his uncle Claudius. While his desire for revenge is understandable, it drives him mad and leads to tragedy. The story explores themes of revenge, love, betrayal and the complex emotions of the characters. In the end, Hamlet fulfills his plot against Claudius but also loses his mother, Ophelia and his own life, demonstrating that vengeance often breeds more violence and pain.