dinky and sparkler have always had a secret fascination with trains so ditzy ask a friend of hers who happens to be a well known engineer to take the girls on a ride in his locomotive he agrees and the next day the girls arrive for their ride but soon after departure ditzy goes missing and the girls find out that the engineer is a deranged serial killer known as the railroad butcher and has connections to Pinkamena in the grimdark world will they survive their deadly encounter or will the railroad butcher claim his next victims and Pinkamena her next ingredients