Ok/pretty good

After 10 years this couple breaks up. But what happens when a younger version of themselves shows up and meets the older version that knows the relationship has ended? There’s self reflection and realisation of the older versions culpability and understanding how they contributed to the breakup. With that (& knowing they still have feelings for each other) can they actually repair the relationship? It had an open ended finish. they have alot of work if they want to get back together a