The Destroyed Will
The Mysterious Affair at StylesA newly signed will, a sudden change of intention, and a concealed letter turn inheritance into a trail leading from family conflict to murder.
increasing
Bearing strength in each event
decreasing
A History of Changing Wills

Wealth and Testament
Repeated Revisions
Emily changes her will frequently, sometimes benefiting one member of the household and sometimes another. Her fortune gives these documents practical force and makes inheritance a persistent source of anxiety.
Marriage Changes the Stakes
Her marriage to Alfred automatically revokes the earlier will known to the family. The legal consequence is important, but the household’s assumptions about what Emily knows and intends remain uncertain.
A New Will Signed

A Last-Minute Document
Gardeners as Witnesses
After a quarrel, Emily summons the gardeners and signs a new will, with the document obscured from their view. The event is urgent and private, suggesting a decision made under pressure.
An Unknown Beneficiary
The terms are not initially known, and the document disappears after being partly burned. Its existence transforms the investigation by giving several people a possible financial motive.
The Will Burns

A Fire in Summer
An Unusual Fire
Emily orders a fire despite the oppressive summer heat. Poirot recognizes that the fire is inconsistent with the weather and likely intended to destroy an important paper.
A Fragment Survives
A charred scrap recovered from the grate reveals that a will was burned. The fragment initially appears to implicate someone else, but its true significance lies in Emily’s own changing plans.
The Motive Reconstructed

A Change of Heart
A Letter Discovered
Emily finds Alfred’s incriminating letter in his desk after seeking stamps. The message reveals a plot but does not clearly explain the danger hidden in the reference to bromides.
Burning the Document
She writes to her solicitor and burns the new will, fearing scandal and betrayal. What first seemed like a will destroyed by a murderer was an act of Emily’s own, prompted by her discovery.
Inheritance as Bait

Wealth Shapes the Plot
False Financial Clues
The prosecution treats the missing will as evidence that John wanted to restore an earlier inheritance. Poirot instead distinguishes the apparent financial motive from the conspirators’ actual plan.
A Complicated Legacy
The will’s destruction conceals the crime’s emotional and legal context, but it does not supply the final proof. Its importance is ultimately less about who inherits than about what Emily learned before she died.
Before Emily’s remarriage
Afternoon of 17 July
Night of 17 July
During Poirot’s final explanation
Near the ending