The Unexpected Guest by Agatha Christie

In a foggy, isolated country house, a stranger stumbles upon a murder scene and finds himself embroiled in a complex web of deceit and intrigue. As he attempts to unravel the mystery, he discovers that each member of the household harbors secrets and motives, making everyone a potential suspect. The tension mounts as the stranger, alongside the local authorities, delves deeper into the tangled relationships and hidden truths, ultimately leading to a shocking revelation that challenges perceptions of guilt and innocence.

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