KBS Drama Special S2016E04 - Home Sweet Home

Se Jung and Sung Min have, from all appearances, a happy and loving relationship, despite the fact that Sung Min is a cyborg. Se Jung is a scientist by training who met husband Sung Min in graduate school. However, the sudden appearance of former classmate Ji Ah, coupled with Sung Min beginning to remember his past, causes Se Jung to question the decisions that led to her current situation in life.