Solitaire de Fort Humboldt was released in the year 1975。Solitaire de Fort Humboldt is also called as Breakheart Pass, Comboio do Inferno, Fort Humbolt, Io non credo a nessuno, Mot fort Humbolt, Nevada Pass, Przelecz zlamanych serc, Ripsokindynos, Särkyneen sydämen sola, 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.