The Underground Chamber

Original title: পাতালঘর

Several interested parties search for the house of a scientist who lived 150 years ago, believing that it contains his mysterious invention. A young boy is named the heir to the scientist’s house. Hidden in an underground chamber beneath the house is a strange musical instrument capable of putting anyone who hears it to sleep for several years. Among those seeking the instrument is also an alien from another world who has come to Earth specifically to obtain it.