The king, Hamlet's father, is killed by his brother, Hamlet's uncle.
Hamlet's uncle becomes the king.
Hamlet's uncle marries Hamlet's mother.
Hamlet returns home.
Hamlet sees the ghost of his father.
Hamlet tries to find out what has happened and put things right.
https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_green.swf