A husband's promotion, a wife's hidden past: Her English lessons reawaken a wild side he can't control.

Yuria Satomi plays a former model who has recently settled into a quiet life as a devoted housewife. When her husband receives a sudden overseas job transfer, Yuria decides to take English lessons to support him in their new life abroad. A sense of excitement returns to her routine as she begins studying with her teacher, Roberto. However, when she fails to return home from a dinner meeting with him, her husband's trust begins to shatter as he realizes her "wild side" may have been reawakened.