Somebody is stealing diamonds from the jeweler Mohammed Carat! It looks
like the culprit is someone on his staff, but who? Is it Luke Smith, the
recently hired fitness fanatic with a taste for the finer things in
life? It surely can't be Vivian Leander, the loyal shop assistant who is
now short of money . . . The police in the little town of Valleby are
stuck, so they contact young detectives Jerry and Maya, classmates who
run their own detective agency. Will Jerry and Maya be able to use their
detective skills to find the thief? As they well know, even a tiny clue
is worth its weight in gold.