The Death In Venice cocktail is a refreshing and citrusy drink that combines the flavors of gin, Aperol, and grapefruit juice. It is garnished with a slice of grapefruit and a sprig of rosemary, adding a touch of elegance to the cocktail. The bitterness of the Aperol is balanced by the sweetness of the grapefruit juice, creating a well-rounded and enjoyable drink.