THE THIRD KNOCK

Not Every Door Should Be Opened

The first knock is a chance.

The second is a warning.

The third is a choice.

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A former insurance investigator moves into an old Boston apartment building, hoping to disappear from the case she failed to finish. But when the knocks begin at her door, a buried fire investigation, a missing woman, and a hidden room inside Marr House force her to confront the report she once signed — and the truth that was never meant to leave the building.

THE THIRD KNOCK