During a home visit, Jeong-mi discovers a young boy and his little sister living in a house with a large manhole in it. The children ask Jeong-mi to go down the manhole.
Production companies：
Korean Academy of Film Arts
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Overview：During a home visit, Jeong-mi discovers a young boy and his little sister living in a house with a large manhole in it. The children ask Jeong-mi to go down the manhole.
