Ten years after a toxic breakup tore them apart, Y/N and Hyunjin unexpectedly find themselves back in each other’s lives. They’re older now. Married, settled, supposedly over it. Unfortunately, unresolved feelings don’t care much for timing. As old memories resurface and tensions begin to simmer, both are forced to confront the question they’ve spent a decade avoiding: what do you do when the person who hurt you the most is still the one who knows you best?