He commits murder! You can see this connection with the heartbeat & how it stops.
It represents Lady Macbeth's malaise and guilt awakening and driving her to insanity. In this scene, she "sees" blood on her hands, a metaphor for her guilt, and it cannot be washed off- the sin cannot be undone. After this scene, Lady Macbeth's strength runs out and is overcome with guilt to the point that she commits suicide.
Answer:
The similarities between the Māori myth and the Haida myth one or more children and unhappiness about darkness.
