The Forrester Detective Agency is going from strength to strength: they've expanded their office space and even hired a new office manager - a qualified and astute woman named Carol. What starts as a simple burglary case soon turns into something darker. The victim of said burglary soon turns up dead, after making threats to the local yobs she believed to have been responsible. But it soon becomes clear that there's more at play here, and Matt - alongside sister Hermia, partner Steve, and life partner Karen - will have to put all his skills to the test, even if it puts them all in danger...