"Purpose of Reunion" is a South Korean erotic drama film directed by Jung Dae-man. The story follows a high school teacher named Dong-chul who reunites with his former student, Hyeon-jeong, at a reunion. As they catch up, Dong-chul discovers that Hyeon-jeong is now a successful businesswoman who is unhappily married.
As they spend more time together, their feelings for each other begin to resurface, leading to a passionate affair. However, their relationship becomes complicated when Dong-chul's wife, Yoo-jin, starts to suspect that he is having an affair.
The film explores themes of love, betrayal, and the consequences of pursuing forbidden desires. "Purpose of Reunion" challenges the audience to question the boundaries of morality and the true nature of love.