thankfully brief mystery about a telephone operator who be discover to be the kidnapped daughter of a railroad tycoon . the discovery bring about an attempt on her life which be foil by charlie ruggles a a crime deflector . thing take a turn for the dangerous when everyone end up in the title location and another attempt be make on the girls life . your enjoyment of this film will depend upon your tolerance for rugggles and his nonsense . i normally like ruggles but there be something about this role that rub me the wrong way . actually i think it do not help that the mystery wasn not very good so there be nothing beyond the character to keep you watch . yes the finale on the train be excite but it do not make up for everything that go before . not worth search out but if you stumble upon it give it a try .