Red-eye travelers on the westbound 518 are in for a surprise when first one passenger, and then another, mysteriously drop dead right before their eyes - and just as the train is halted by a rock slide in an isolated canyon. Because the pair appears to have been poisoned, anyone and everyone in the train dining car is a suspect.
This family-friendly mystery is sure to keep the audience guessing right up until the train pulls into the station. Hold on tight - Murder on the 518 is quite the ride!