Macbeth, Act 1 Scene 7 — Summary & Analysis

What happens

Alone before Duncan's murder, Macbeth lists reasons not to kill the king: Duncan has just honored him, he is Duncan's kinsman and subject, he is Duncan's host, and Duncan has been a virtuous ruler. Yet ambition is his only spur. Lady Macbeth enters and attacks his resolve, questioning his manhood and reminding him of his own murderous plan. She shames him into action, and he agrees to proceed that night, vowing to hide his intentions behind a false face.

Why it matters

This scene is the hinge between temptation and action. Macbeth's soliloquy reveals a man who understands exactly why murder is wrong—Duncan's virtues will 'plead like angels' against the deed—yet feels helpless against his own ambition. He recognizes that 'vaulting ambition' is his only impulse, and that it 'o'erleaps itself and falls on the other.' This is not a man who wants to kill; it's a man who wants to want the throne so badly that murder becomes acceptable. The soliloquy is a final moment of moral clarity before the avalanche.

Lady Macbeth's entrance shifts the entire dynamic. She doesn't convince Macbeth through reason; she convinces him through shame. When he hesitates, she doesn't debate ethics—she questions whether he is a man at all. She even offers to take the deed herself, then admits she can't because Duncan resembles her father. That admission reveals something crucial: she, too, has a conscience, but she's chosen ambition over it. By casting Macbeth's hesitation as cowardice, she makes murder feel like the only way to prove himself. The scene ends with both characters locked into complicity, bonded by shared deception and the grim 'false face' they must now wear.