When it comes to murder, Rex Dalton has no doubt he'll bring the real killer to justice...

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Rex Dalton and his dog, Digger, visited the island of Olib in Croatia.

A girl was murdered.

The police said it was her boyfriend who stabbed her to death, but Rex and Digger had no doubt they were making a big mistake.

Dalton decided to conduct his own investigation and bring the real killer to justice.

A thriller with quirks and twists that will keep you guessing until the end.