Two hundred miles south of San Diego, in the Mexican state of Baja California, tens of thousands of farm workers toil in fields, picking strawberries, tomatoes and cucumbers—more than 80 percent of which is destined for the U.S. market. For decades these laborers, who make slightly more than Mexico’s minimum daily wage of 70 pesos (fewer than $5), have worked long, arduous hours for not enough money to make ends meet. Here’s what happened when they decided to take action—putting at risk millions of pounds of fruits and vegetables—to argue for fairer wages.