When successful 80s nightclub manager Tony Towers boards a magical train at Christmas, he discovers that each carriage harbours a different stage of his life and the actions he takes in one carriage directly affect his life in the next. Can Tony change his life – and the lives of the people he loves – for the better, or will he just make things worse?

After lesbian couple Meg and Kayla split following a traumatic homophobic incident, their three friends are intent on mending the rift during the wedding of Lizzie at a paradise resort. But a pre-wedding boat excursion turns to disaster and the wedding breakfast is likely to be the five girls!

Roxana Aubrey decides to drop her studies and escape her life in Paris for a free diving course in the south of France. She is quickly pulled into a life that reaches new depths brought by the weight of an ocean's descent.

Widower Tom, on the recent passing of his wife Mary, uses his free bus pass to travel the length of Britain from John O'Groats in Caithness to Land's End in Cornwall, their shared birthplace, using only local buses. It's an incident-fuelled nostalgia trip and his encounters with local people make him a media phenomenon. Tom is totally unaware and to his surprise on arrival at Land’s End he’s greeted as a celebrity.