Murder, She Wrote: Destination Murder in Bloomington, MN

Mystery writer Jessica Fletcher takes a three-night train trip with her friend and his railroad association through scenic British Columbia. But when a member of the entourage takes a sip of a Bloody Mary and dies, police begin investigating.
The suspects gather in the Starlight Express dinner car, and it's up to Jessica to do some unplanned sleuthing before everyone's plans are derailed by death.