When Henk van der Pol is asked by the Justice Minister to infiltrate a team investigating an online child exploitation network, he can hardly say no—he's at the mercy of prominent government figures in The Hague. But he soon realizes the case is far more complex than he was led to believe. Picking up from The Harbour Master, this new investigation sees Detective Van der Pol once again put his life on the line as he wades the murky waters between right and wrong in his search for justice. Sometimes, to catch bad guys, you have to think like one.