I am your father's spirit, bounded in tormenting flames.
"Revenge his Foul and Most Unnatural Murder"
"Revenge his foul and most unnatural murder."
Marcellus warns Hamlet to not interact with the ghost because it's a bad omen, but Hamlet is determined to talk to the spirit that looks like his dead father.
Revenge
"Adieu, adieu, adieu. Remember me."
"O, my prophetic soul! My uncle!"
The ghost has revealed to Hamlet that he is in fact his father's spirit. Until he gets his revenge, he is trapped in hell and forced to wander around the castle at night.
Arrogant Knave
"What news, my lord"
The ghost reveals that it was Claudius that poisoned and killed him. He tries to convince Hamlet to avenge his death and to finally free his soul.
The Monologue
"O, What a rogue and peasant slave am I!"
As the ghost's time is up, Hamlet starts his lengthy dialogue. He is infuriated with Claudius and his mother, Gertrude and starts to plot his revenge.
Hamlet comes back and meets up with Horatio and Marcellus to discuss what the ghost told him. He tells them that they're is a dishonest person in the kingdom but not exactly who since he wants this to be a secret.
There's not a villain in Denmark but rather, a dishonest person.
This scene shows Hamlet's indecisive trait. He desires revenge but does not know if he can fully trust the ghost and his account.