Seulgi, an ordinary country girl with big dreams of becoming a profesional vet. Jaebeom, a city boy wishing to become an engineer to follow his father's footsteps. A teenage romance that blooms unexpectedly as they grow, but in their last years of high school, Jaebeom decides to part ways with Seulgi, leaving the girl all heartbroken, but what if years later they meet once more and that spark lights up again? Could it be too late? Or maybe the perfect timing? What if Seulgi already has a family and moved on from her past romance... or maybe she didn't?