Mi-hyeon Park

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. They never came back. (imdb)

The stages of its episodes are different with one another. Tragedies and fantasies unfold in the city, the woods, and the future. The 3D technique is used in scenes where the characters have fancies to get over suffering in reality. (letterboxd)

It intermittently captures a delicate moment of emotional breakdown. Absconding soldiers with an unfair story to tell, and a woman helping them, all come to a point at the end of the film. (imdb)