在一次山林救火行动中,只有队长Cliff Mason幸存,他获救后失去了关于火场的记忆。在这次救火行动中失去父亲的Ed,怀疑是Cliff的失职导致了父亲的丧生,他要证明自己的想法……When a large forest fire breaks out in the mountains of Montana, a squad of 'Smoke Jumpers', the paratroop-corps of fire-fighters in the U. S. Forest Service, is flown to the scene from their regional headquarters in Missoula, Montana. The Forest Rangers, under Cliff Mason, put out the blaze, but several of the fire-fighters are killed. Ed Miller, son of one of the dead rangers, thinks he died because Mason was a coward, and sets out to prove it.
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