Van der Valk is called back from the start of his holiday to help his boss 'smooth over' a political embarrassment that may undermine a national project being pushed through by a senior minister. This national project, a new large-scale sea barrier, creates a lot of opposition by environmental groups, especially a new radical group called the 'Green Force'. Once Van der Valk starts to get more involved he starts to uncover blackmail, corruption, drugs and murder.
—mch2469