The childhood story behind Min Kyu's condition gets revealed. When Min Kyu gets a reaction, Ji A gives him an injection and earns his trust. Meanwhile, Min Kyu doesn't have a clue how to deal with Ye Ri El. Baek Gyoon becomes worried about Min Kyu's condition and wonder if it's okay to keep having Ji A as the replacement for Aji 3. He soon realizes that it is because he still has feelings left for Ji A.
