jiyoo unexpectedly reunites with her first love, noah, on a film set after 10 years apart. sparks fly and they share a passionate night, rekindling old feelings. jiyoo hopes for a deeper relationship, but noah remains a mystery. just as their ambiguous relationship starts to unfold, a new star, hyeseong, enters the scene, shaking things up even more. will jiyoo and noah find their way back to each other, or will hyeseong change everything?