Sujeong and Juyeon finally confirm each other's hearts. Their risky secret relationship begins. They must hide it from everyone, yet they're still happy to be together... But what is this ominous feeling?

Juyeon gets fired. He's abandoned by Hyoseon in the end and left alone. Sujeong hides the crisis from Juyeon and struggles to make an effort. Meanwhile, Hajin's ex visits Sulo.