An accidental collision at a KTV led to a nymphomaniac little girl and a double-faced handsome man meeting on a narrow road. She said he was a gangster, and he said she was a lady. Then the gangster transformed into a scholar from the Q University scholastic school, and the lady turned into a confused science girl. What kind of encounter made them change from happy enemies to a talented and beautiful woman, and what kind of identity mystery forced him to live a double life... A true reflection of university campus life, failing courses, taking exams, taking postgraduate entrance exams, and finding jobs... Let's see how they go through it side by side...