- HD 1080
- Runtime: 117m.
- Status: Released
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- Languages: ko
- Country: South Korea
- Director: Kim Tae-gyun
- Stars: Jang Hyuk, Jo Bo-ah, Sun Woo-sun, Lee Do-ah, Do Kwang-Won
- Production_studio: Invent Stone, Vanguard Studio, Camp B
- Slogan: Love Hurts.
- providers: Rakuten Viki
- The Innocent Thing is featured in the top rankings of 2014
- #75 in Top Romance Movies of 2014
- #57 in Top Thriller Movies of 2014
A high school teacher whose wife is about to give birth finds himself tangled in temptation and obsession when a student falls for him.