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?

When two grandsons confront their grandfather with a life-altering dilemma, he must make a profound choice that will shape their futures.