Shakespeare has always incorporated plots and subplots in a skillfull and creative way. In Act 4 of Hamlet, he has incorporated three very important events to ihdentify the plot and create excitement for the audience. The events in Act Four being discussed (in order of time) are: the madness of Ophelia, the return of Laertes to avenge the death of his father and finally the death of Ophelia. All events were put into Act four to bring together the main plot(s).