It's a dangerous life being the younger brother of the world's worst private detective - but Nick Diamond has survived ... so far. But these three mysteries are set to test his survival instincts to the full! A school reunion on a remote Scottish island, a dream holiday to Paris, an investigation into the whereabouts of a man in a blurry photo... What connects them? Murder! And if the Diamond Brothers don't play their cards right, they could easily end up dead!