[Drama 2014-2015] Valid Love 일리있는 사랑

Hee-Tae (Uhm Tae Woong) met his future wife, Il-Ri (Lee Si Young), when he worked as a temporary biology teacher at an all girls high school. Il-Ri was a student there.

Now, Hee-Tae works as a fishery researcher and spends his days in a typical marriage. One day, he learns that his wife is having an affair with a carpenter (Lee Soo Hyuk). He becomes angry for the first time, but decides to keep his family and wife.

(source: asianwiki)