The Planeteers visit an organic farm to see how natural insect-repellents are used on crops, but Joe, a neighboring illiterate farmer too ashamed to admit he can't read, receives a job offer operating sprayers from Looten Plunder and Argos Bleak. Their machines are full of pesticide that not only kills the insects, but also other animals. This nearly causes a mass- poisoning when a cloud of it heads for the town. The Planeteers succeed in warning Angela, a schoolteacher, and her students, and Captain Planet removes the gas before leaving. The Planeteers decide to investigate the gas, and take Angela when she reveals that her boyfriend Joe suffered fainting-attacks near where the pesticides were used. Joe is tricked into signing a form making him liable for the operation by being told that he's insuring himself so Plunder will pay for his medical bills. When he sees Plunder and Bleak preparing to attack Angela with the Planeteers, he attempts to intervene but is locked in a warehouse. Ma-Ti and Angela are soon placed with him, and the other Planeteers are forced into a silo filled with corn, as Plunder plans to pour pesticides in on all seven and blame Joe. The Planeteers must break free to stop Plunder from causing any more harm, but even Captain Planet is at the mercy of poisons and farm-machinery.