The Conspiracy Against Duncan
The KillerThis flow follows the shifting coalition that joins Macbett, Banco, and Lady Duncan in the murder of Duncan and the seizure of his throne.
increasing
Bearing strength in each event
decreasing
Grievance Becomes Plot

Grievance Becomes Plot
Opposition Assembled
Glamiss and Candor articulate the grievances that will later be echoed by Macbett and Banco.
A Wider Political Crisis
Their complaints expose a system in which nobles alternate between loyal service and resistance to royal extraction.
Macbett’s Doubt

Macbett’s Doubt
Friendship Under Strain
Macbett and Banco discuss Duncan’s treatment of them and repeat the rebels’ language of property and self-rule.
Loyalty Reversed
Macbett moves from private criticism to proposing that he take the throne.
Lady Duncan Joins

Lady Duncan Joins
Coalition Completed
Lady Duncan joins Macbett and Banco, turning their private grievances into a direct plan to kill Duncan.
Oaths and Weapons
The conspirators cross daggers and name the ruler a tyrant, using ceremony to legitimize their own violence.
The Healing Rite Is Breached

The Healing Rite Is Breached
Disguised Entry
The conspirators enter among patients seeking the King’s healing touch, then reveal weapons at the critical moment.
Sovereignty Attacked
The plot succeeds by turning the symbols of sacred care and protection into cover for murder.
Victory Recast as Rule

Victory Recast as Rule
Immediate Succession
Macbett marries a woman presented as Lady Duncan and is acclaimed as ruler.
Legitimacy Unstable
The celebratory transition conceals the murder and the false identity at its center.
Before the rebellion’s outcome is known
After Duncan denies Banco his reward
When Lady Duncan appears before the conspirators
During Duncan’s monthly ceremony for the sick
After Duncan’s death