Description:Da-eun (Ye-jin Son) lives with her single father Soon-man since childhood. Based on the film adapted from the kidnapping and murder of a child 15 years ago, she finds that the released phone recordings of the suspects are so similar to her father's voice. She tries to investigate her father's past. At this time, a man who seems to know about Soon-man's ulterior past appears, bringing darkness to this seemingly ordinary family.
