Dos extraños se conocen en un tren y crean un vínculo que crece con los años. Luego de una separación, se reencuentran y reflexionan sobre el amor que sienten.

Korean remake of 2018 film "Us and Them".

Jules and Chris, two adult former exes who had a bitter past, reunited 5 years after to fix their broken relationship they had when they were teenagers. As they rebuild their lost spark, differences occur when they have to confront the changes that happened to their lives and face the matured version of themselves.