Tony Towers is a successful bar supervisor in 1985, a neighborhood star and involved to a much more youthful woman, Sue. Yet when he launches the 3:17 to Nottingham for a Christmas family members reunion, points get a little odd. Tony discovers that by going up as well as down this fateful train, he can deliver himself onward and also backwards to various stages of his life. Not just that, however the activities he absorbs one carriage directly affect his life in the next. The inquiry is, can Tony change his life-- and also the lives of individuals he enjoys-- right, or will he simply make things even worse?