Addicted to you.

Ever since he was young, Loui has been living with his careless but loving father, Hans, and his sick grandmother. When he turned 16 years old, his biological mother Jia remarried. Her new husband is a high-ranking military official, Theodore

Because of his mother's death, Theodore's son, Gavin, has been harboring a deep grudge towards his father. By the random hand of fate, the two step-brothers with wildly conflicting emotional backgrounds were placed in the same class at a Beijing high school, without knowing each other's background at first. With time, they slowly developed a special feeling toward one another. Their classmates, Yuki and Nicholas, had been instrumental in the relationship.