As Seok-ryu deals with an ailment, Seung-hyo and Song Hyeon-jun compete for her affection. But soon, Syeung-hyu discovers the real reason for her return.

Seok-ryu’s secret comes to light, leaving her loved ones struggling with the shock. When she goes missing, Seung-hyo desperately sets out to find her.

As the truth finally comes out, Seung-hyo waits for Seok-ryu’s response. Meanwhile, Seok-ryu’s parents discover her new endeavor, sparking their fury.

A figure from Seok-ryu’s past appears, leaving those around her looking for clarity — including Seung-hyo, who navigates his own complicated feelings.