Based on the novel by Ma-Bung, the plot follows Jao-Jin, a student who works as an escort, and Nam-Neung, a lonely university professor who, although calm on the outside, hides a deep loneliness. The chance encounter between the two evolves into an intense relationship that challenges prejudices, social differences, and judgments. A twist of fate leads Jaoujun to accidentally sell her services to Namnuaeng, thinking it would be a one-time encounter.