The missing place

North Dakota oil business is spawning 'man camps,' shantytowns full of men hired to work on the rigs, in towns without enough housing. In such twilight spaces, it's easy for a person to vanish. And when two young men in their first year on the job disappear without a trace, only their mothers believe there's hope of finding them. Despite reassurances that the police are on the case, the two women think the oil company is covering up the disappear...