設定は古い邸宅で、裕福なビジネスマンが殺害されました。4人の容疑者は、執事、メイド、庭師、ビジネスマンの妻です。

執事は、彼女が彼女の夫を追い払うのを手伝ったならば、ビジネスマンの妻から多額のお金を約束されたので、貪欲の動機を持っていました。執事のアリビは、彼がキッチンにいて、殺人時に夕食を準備していたということでした。

メイドは復venの動機を持っていた。メイドのアリビは、殺人時に2階の寝室を掃除していたということでした。

庭師は、ビジネスマンの妻と恋をしていて、夫との関係にjeしていたので、jeの動機を持っていました。庭師のアリビは、彼が殺人時に庭の外にいたということでした。

ビジネスマンの妻は相続の動機を持っていました。彼女は夫の財産から多額のお金を継承することに立っていました。妻のアリビは、殺人時に寝室にいたということでした。

探偵は、彼らのアリビが間違っていることを証明した証拠を見つけることにより、各容疑者を除外することができました。たとえば、執事の指紋は殺人兵器で発見され、メイドの足跡は犯罪の現場の近くで発見され、庭師のDNAは犠牲者の衣服で発見されました。殺人の少し前の夫。

最終的に、探偵は殺人者を殺人者を雇って殺人を助けるために執事を雇ったビジネスマンの妻として殺人者を特定することができました。
The setting is an old manor, where a wealthy businessman was murdered. The four suspects are the butler, the maid, the gardener, and the businessman's wife.

The butler had a motive of greed, as he was promised a large sum of money by the businessman's wife if he helped her get rid of her husband. The butler's alibi was that he was in the kitchen preparing dinner at the time of the murder.

The maid had a motive of revenge, as she was fired by the businessman for stealing from him. The maid's alibi was that she was cleaning the upstairs bedrooms at the time of the murder.

The gardener had a motive of jealousy, as he was in love with the businessman's wife and was jealous of her relationship with her husband. The gardener's alibi was that he was outside in the garden at the time of the murder.

The businessman's wife had a motive of inheritance, as she stood to inherit a large sum of money from her husband's estate. The wife's alibi was that she was in her bedroom at the time of the murder.

The detective was able to exclude each suspect by finding evidence that proved their alibis were false. For example, the butler's fingerprints were found on the murder weapon, the maid's footprints were found near the scene of the crime, the gardener's DNA was found on the victim's clothing, and the wife's motive was confirmed by a witness who saw her arguing with her husband shortly before the murder.

In the end, the detective was able to identify the killer as the businessman's wife, who had hired the butler to help her carry out the murder.