Diner owner Sonja Reed's birthday is approaching fast and she’s looking forward to a quiet and comfortable celebration in her hometown of Haunted Falls. When her fiancé, Frank, the local sheriff, scores two tickets for an Old Western train ride through the mountains, however, the couple is catapulted into and entirely unexpected adventure. What neither one of them would ever guess, is that a fellow passenger on the touristy train happens to be a murderer. Throw in a vintage treasure map, and a train jumping ghost, and Sonja and Frank are in for one spooky ride.