
Twenty years ago, a toxic spill in the small, southwest Texas town of Exile poisoned residents with permanent rage. The feds' response? Quarantine. Only residents who pass the feds' 4-S test can escape Exile's heavily fortified borders. Heidi Palermo, unwilling medic to her family...

Twenty years ago, a toxic spill in the small, southwest Texas town of Exile poisoned residents with permanent rage. The feds' response? Quarantine. Only residents who pass the feds' 4-S test can escape Exile's heavily fortified borders. Heidi Palermo, unwilling medic to her family...