Senior year was supposed to be normal—but for Si-eun and his friends, peace never lasts. Now closer than ever, their group has become something like a family, bound by everything they’ve survived. Between late-night hangouts, quiet moments, and complicated relationships, they try to hold onto a sense of normalcy—while feelings begin to shift and deepen in ways they can’t ignore. But as old tensions resurface and new threats emerge, they’re forced to confront the past they thought they’d left behind. Because growing up isn’t just about moving on—it’s about choosing who you stand with when everything falls apart.