Reuniting by chance on a train journey to their friends wedding, a young ex-couple reflect back on their lives between leaving school and stumbling into "adulthood" and how their break-up affected their subsequent relationships.
1990
2006
2002
1983
2013
1931
2004
2005
2014
1980
1984
1987
1912
2011
2012
—
2017
2003