When global star Zayn Malik teams up with K-pop global star Kim Jisoo for a once-in-a-lifetime collab, sparks fly on and off the stage. What starts as music turns into something dangerously real, passion, fame, and feelings neither of them were ready for. But in a world built on image and secrets, love might be the biggest risk of all.

Performing as a popular global girl group, Katseye, is no easy task. But what makes it even harder for Yoonchae, is the little (or not so little) secret that she is hiding. Will Yoonchae be her true self? Will the other girls accept her?