Su-rin, who lost her mother a year ago, moves to a remote island with her step-father. Feeling isolated, Su-rin meets and befriends Sung-min, an orphan boy who seems to be the only one who can truly understand her. One day, they venture into a cave in a forest with a group of friends and find a glittering egg, which according to folktale, holds a monster that eats time and instantly turns a child into an adult. Su-rin tries to stop them, but the boys take the egg out of curiosity. When Su-rin follows them out of the cave, she finds that her friends have disappeared. The police assume that this is an abduction case and begin an investigation. Su-rin tells the police about finding the egg, but nobody believes her. Later, a mysterious man in his 30s show up and tells Su-rin that he is Sung-min.
- 2 hr 10 minNR