Students Hayley and James are young and in love. After saying goodbye for Christmas at a London train station, they both make the same mad split-second decision to swap trains and surprise each other. Passing each other in the station, they are completely unaware that they have just swapped Christmases.

• Shiny Button Productions
• Banijay Entertainment
• Asa Butterfield
• Cora Kirk
• Angela Griffin
• Daniel Mays
• Harriet Walter
• Alex Jennings
• David Bradley
• Natalie Gumede