The movie Love Lesson is a 2013 South Korean erotic melodrama film directed by Ko Kyoung. The film follows Hee-Soo, a popular songwriter who is experiencing a creative block due to her loneliness, as she meets a boy named Seung-Ho in an elevator. Hee-Soo becomes fascinated with Seung-Ho's innocent and pure aura and decides to take him on as a student, teaching him music and also showing him the ropes in romance.
As they grow closer, Seung-Ho falls deeply in love with Hee-Soo, and she also finds herself falling for him despite their age difference. Hee-Soo uses Seung-Ho's youthful energy and passion as inspiration for her new song, which she hopes will finally break her creative drought. However, their romance is complicated by the return of Joon-Ho, Hee-Soo's ex-boyfriend and former mentor who taught her about music and love.
Joon-Ho's reappearance puts a strain on Hee-Soo and Seung-Ho's relationship, as Hee-Soo must confront her unresolved feelings for Joon-Ho while also navigating her growing attraction to Seung-Ho. The film delves deep into the complexities of sexual desire and emotional connection, exploring the blurred boundaries between teacher and student, mentor and lover, and the consequences that come with breaking those boundaries.
Love Lesson features bold and daring performances by lead actresses Kim Sun-Young, who portrays the conflicted Hee-Soo, and new actress Byun Joon-Suk, who holds his own as the innocent and naive Seung-Ho. With its compelling storyline and sensual themes, Love Lesson has received critical acclaim and has become a popular film in the Korean erotic genre.