Breakheart Pass was released in the year 1975。Breakheart Pass is also called as Comboio do Inferno, Fort Humbolt, Io non credo a nessuno, Mot fort Humbolt, Nevada Pass, Przelecz zlamanych serc, Ripsokindynos, Särkyneen sydämen sola, Solitaire de Fort Humboldt, Nevada Express。
Train with medical supplies and small U.S. Army unit is heading through Rocky mountains towards plagued Fort Humboldt. Among its passengers are territory governor, priest, doctor and U.S. Marshal with his prisoner, John Deakin. However, nothing on that train is what it seems.