Is casino queen Merrybelle Clairburn the secret descendant of Mary Queen of Scots and the Earl of Bothwell? Is she entitled to their hidden treasure? Or is she even more deranged than her reality TV show would indicate? The Forrest sisters assume the latter...until the murders start piling up and the clues accumulate. The deadly treasure hunt is on! Is Merry Queen of Slots a bad bet...or a royal winner?