The film is based on a true yet unsolved murder case from the early 1990s that is known among Koreans as the "disappearance of the frog children." In 1991, five elementary school students told their parents that they were going to hang out on a nearby mountain to catch frogs, and then they go missing.

Bong-yong Kim is one of a modest Korean dad who struggles to survive from the work place without any time to get along with his family. He has to work over than he had to, since the boss treat him like his servant – drink late every night, drive the boss to his home. His wife, Hwayeon, blames him for his indifference to family, and twins in puberty, Woo-joo and Dal-nim, also in trouble with their father. The late child ‘Byeol-nim’ is his only one who acts charm and shows cuteness to him.. MY LAST LOVE, when every family member starts to share with caring each other at last…

Ms. Ma was falsely accused of killing her daughter. After she escapes from prison, she tries to clear her name and reveal the truth about her daughter's death.

Forensic pathologist Kang is assigned to examine the dismembered corpse of a female murder victim. Detective Min points to a fanatic environmentalist, Lee Sung-ho, as the primary suspect. But when Kang’s daughter is kidnapped, a manipulative game begins between Kang and Lee, who holds secrets about the homicide case.