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 a cemetery in the outskirts of Buenos Aires, the tomb of the famous tango singer Anibal Manzana has everyone baffled. It is talking! Could it be haunted? Luckily Coco and Alberta are on hand to investigate this ghostly puzzle.