The storyline is loosely based on the story of Yoon Cheol-wan, a missing South Korean soldier who was a suspected victim of a serial kidnapping and murder case that took place in the Philippines between 2008 and 2012, in which several other Koreans who disappeared were among the victims of the case.
The storyline is loosely based on the story of Yoon Cheol-wan, a missing South Korean soldier who was a suspected victim of a serial kidnapping and murder case that took place in the Philippines between 2008 and 2012, in which several other Koreans who disappeared were among the victims of the case.