Kang Kyung Joon and Seo Yoon Jae has succesfully completed the surgeon in Germany. The two switched back to their normal selves, both without having the memory after the accident. Meanwhile, Gil Da Ran is patiently waiting for KKJ's return and start things over with him again. So when Kyung Joon decided to return to Korea, he visited his old school and for once again he met his Gil Teacher. But the only memory he has with her is that he has a crush on her at first sight, o