 Letting a fine wine "breathe" proves to be a deadly mistake for the wine s owner, who leaves it unattended for a killer to slip a dollop of colorless, odorless and tasteless poison into it. The vintner, who s hosting a party upstairs, comes back only to collapse. He tries to implicate the killer but breaks the wine cellar s only pencil, so he crawls to a wine rack and grabs a bottle, smashing it on the floor. The shattered bottle bears the label Black Falcon, indicating it was tied to World War Two. But how?