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?