The plan within the play

In the play Hamlet, Hamlet knows the tragedy of his dads death. He has actors that will reenact a play, the play will be about how his father had died there will be events in the play that will show exactly how Hamlet's dad died. During the play Hamlet will be watching his uncle to see wheater of he's guilty or not. Once hamlet knows a sign on his uncle's face he will either kill him or not do anything.