A Christmas Carol, Holly, and Mary.

After her recent break-up, Sally has had a difficult Christmas.  The last thing she needs is stranger danger in the form of Christmas past, present, and future. 

 

Carol was played by Isaura Barbé-Brown.

Holly was played by Laura Bay.

Mary was played by Polly Kemp.

The train manager was played by Kwame Darko.

Sally was played by Zara Day.

The episode was written and directed by Mark Heywood.