They go to free Antigone and find her hanging in the cave, dead.
Haimon sees Creon at the cave and attempts to murder him.
"Then she must die.-But her death will cause another." (Sophocles iii. 118-9)
Haimon fails to kill his father and then turns the sword on himself.
"Not here, no; She will not die here, king. And you will never see my face again. Go on raving as long as you've a friend to endure you." (Sophocles iii. 133-7)
After hearing the news that Haimon has taken his own life, Creon's wife Eurydice kills herself also.
Curse you Creon
"Lead me away. I have been rash and foolish. I have killed my son and my wife. I look for comfort: my comfort lies here dead. Whatever my hands have touched have come to nothing. Fate has brought all my pride to a thought of dust." (Sophocles V. 133-141)
Creon is left miserable after the deaths of his wife and his son. The city of Thebes turns on him in anarchy