Eun-ju and Min-jun ride a thumb. One day, Eun-joo's house came to Eun-joo to come home to introduce her stepmother. The happy stepmother welcomes Hwaran, a former lover. Eun-ju seduces Min-joon, saying that he missed the frenzy of flowing awkward atmosphere without coming home. Eunjoo's phone called the front of the house while feeling each other's old feelings and sharing love affairs.

《性的研究》又名《热性研讨会》，是一部由Anne 、Jang Chang-myung主演韩国电影，该电影于2015年11月3日在韩国上映。 影片讲述韩裔美国人简经营成人玩具（性玩具）的故事。

An adult actress Sora takes pride in her job. But pride doesn't protect her from kidnapping. She's locked up and ordered to try positions from her films on her kidnapper. She escapes, only to be found by her kidnapper while she's sleeping with her boyfriend.