An 18-year-old medical college freshman, born passionate and righteous but reckless and confused; a 28-year-old son of a red wine king, unparalleled in elegance, charming all living beings, but actually idle and accomplishing nothing... Two people from far and wide met because of an accidental misunderstanding, one was still young and the other was about to enter middle age, but they argued endlessly and refused to give in. At the same time, the school sweetheart's unexpected affection left her at a loss. The return of her crush put her relationship with her friends in crisis. What kind of sparks will come out of the collision between these two people who are as powerful as fire and water?