Join the pair of guinea-pig detectives as they solve their fourth case in Buenos Aires Coco is the well-respected, if somewhat easily startled, Chief of Police in Buenos Aires. Alberta is his more sensible cousin. Together they crack the cases that confound this puzzling city. In the beautiful Japanese garden of Buenos Aires, one daffodil will not stop drooping. Is someone trying to destroy the serene beauty of this oriental oasis? Can Alberta help her cousin Coco solve this top-secret case?