Root Cause

Can you imagine a world without wine?

Corvina Guerra is a flying winemaker who dreams of one day settling down in her native Italy on her family’s vineyard. On a visit to a vineyard in Italy, Corvina makes a startling discovery: Phylloxera, a menacing plant louse that devastated vineyards in Europe more than a hundred years ago, has infested the vines.

The deeper Corvina and Brian search, the more they become convinced that Universal Wines holds the answer to everything, and the harder they...