Meet Larry Tannahill. Out of 2,000 residents in the West Texas town of Lockney, he's the only one against the school board's new mandatory drug testing policy. Larry, a third-generation farmer, believes the testing is a violation of his son's Fourth Amendment right against unreasonable searches. He sues to overturn the policy, forming an unlikely alliance with the American Civil Liberties Union. In the battle over rights, Larry makes headlines around the country, loses his job and his family receives threats.