Secret Temptation) is a 2015 South Korean romantic thriller film written and directed by Yoon Jae-gu, based on the novel La Femme de paille ("Woman of Straw") by Catherine Arley.

Having to endure Seok-gu's constant lashing, criticism, and various other rhetoric, Ji-yeon nevertheless is able to stand up and change him into a less irascible person, even managing to make him play the piano again, an activity that used to be his hobby until his family's demise.

Seok-gu in turn reveals about his past as a "circus" player in Macau, his reasons for using the whistle and constantly shouting, and also mentions a woman who helped him achieve his success.

The other night, Ji-yeon has had enough and tries to leave, all while stating her discomfort of having to live for 10 years with Seok-gu even if the plan did work, in front of Sung-yeol.

Sung-yeol is arrested for the murders while Ji-yeon's inheritance as Seok-gu's wife is realized, making her the new owner of the Macanese casinos.

Perfect Proposal was released on 4 June 2015 and it opened at fourth place in the box office, earning ₩760 million (US$676,000) from 95,700 admissions in its first four days.