Mysterious and unearthly deaths start to occur while Professor Saxton is transporting the frozen remains of a primitive humanoid creature he found in Manchuria back to Europe.
This movie contains 1 potentially triggering events.
There is a dog on the train that we never technically see die, but the train never stops before cars that it was in goes over a cliff. The dog is never seen again. Feels like there may have been a scene cut from the movie or script and I doubt things went well for the dog.