Hamlet uncle (King Claudius) marries his mother (Queen Gertrude).Hamlet hates it.
Hamlet is extremely upset about his mother marrying his uncle.
"Before my God, I might not this believe Without the sensible and true avouch Of mine own eyes"
Laertes warns Ophelia about Hamlet
"Why, tis a loving and a fair reply. Be as ourself in Denmark.--Madam, come. This gentle and unforced accord of Hamlet Sits smiling to my heart, in grace where of No jocund health that Denmark drinks today But the great cannon to the clouds shall tell, And the King's rouse the heaven shall bruit again, Respeaking earthly thunder. Come away.
Horatio warns Hamlet about the ghost in the forest, Hamlet ignores his warnings.
"She married. O, most wicked speed, to post With such dexterity to incestuous sheets! It is not, nor it cannot come to good. But break, my heart, for I must hold my tongue"
The ghost and Hamlet talk. The ghost or Hamlet's father (ex-king) asks Hamlet to avenge his wrongful death.
"For Hamlet, and the trifling of his favor, Hold it a fashion and a toy in blood, A violet in the youth of primy nature, Forward, not permanent, sweet, not lasting, The perfume and suppliance of a minute, No more."