Soohyun rushes home to her sick son, but the joy of embracing Gunwoo is short-lived as she loses him in a traffic accident; as Soohyun suffers the sorrow of loss, the perpetrator is released on probation.

Soohyun is imprisoned for seeking revenge; she is released after seven years with a duty to fulfill.

Soohyun goes to find Seonyul to fulfill Hyeongja's request.

Soohyun is shocked after receiving an illicit photo of Suho, so she investigates; Seonyul seeks Soohyun to obtain Hyeongja's diary but encounters an unexpected fight; Soohyun's heart goes out to Seonyul, and she ends up volunteering as his protector.

Suho is shocked to see Suho enter the hotel room; Suho explains himself and seeks forgiveness; as the aftermath of the photo grows, Soohyun wonders who could have sent it; Seonyul senses Soohyun's sincerity and gradually opens up to her.

Soohyun encounters Eunmin and meets Seonyul in Eunmin's hospital room; after learning who sent the photo, Soohyun delves deeper into Eunmin's case; Seonyul becomes increasingly uncomfortable with Soohyun's caring gestures.