Marion Cutler, a social worker, asks Eddie to look for Nick Forrest, one of her charges who has gone missing. Nick is a remarkable fellow who had been living in a hut on the beach. But Steve, the owner of the hut, tells Eddie he's never heard of him. The mystery begins to centre on some aerial photographs of the coast-line taken by Nick, and Eddie soon finds he is onto a dangerous gang of drug-smugglers.

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