Based on a true story about the horrifying incident that happened to the band who went on a trip to Chuncheon.

After the disappearance of his girlfriend, a foreigner man lost in a hostile land becomes the main suspect and his desperate research for her turns into a fight to stay alive.

Tae-hwa receives a lung transplant from his father, who had committed a hit-and-run the night before the surgery. Riddled with guilt, Tae-hwa sets out to find the victim’s daughter Mi-ji. When he finally meets her, he offers her money to make amends for his father's crime. But Mi-ji demands something else instead: That he would help find her missing mother.

The massive scandal comes to light through a father's unwavering search for the truth behind the sudden death of his family.