Macbeth kills King Duncan in his sleep. He goes to tell his wife about the weird noises that he heard from the guards.
Why did you bring the dagger? Take them back.
Coward! I will do it
I won't go back! I'm afraid of what I have done
Macbeth enters the room carrying the bloody dagger. He asks his wife if she heard the noises. She seems surprised by seeing him carrying the dagger.
Macbeth, looking at his hands covered in blood, says it is a sorry sight meaning that the sight is painful and upsetting.
My hands are as red as yours now.
Water will wash away the evidence
Lady Macbeth asks Macbeth why did he bring the daggers when he should have left them with the guards. She tells him to take them back but he is so scared of what he has done. So she said that she will take them back since she is not afraid.
Here is Lady Macbeth putting the daggers in the hands of the guards to make it look like they killed King Duncan.
Lady Macbeth returns and tells her husband that now her hands are red with blood like his. She tells him why he is afraid of the crime he has already committed