In an Alabama 24-hour diner, two frustrated employees clash in an explosive showdown. At a Dallas Airport, officers are called in after a passenger is denied boarding. In Houston, a delivery driver is stunned by a customer's tip. At a California resort, a man's alleged remarks lead to a violent altercation with other vacationers. At a Thai gold shop, an armed man enters the store and begins smashing displays, setting up a confrontation with the owner.