By accident, more than anything else, the three find themselves beside the grave of Thomas Godwin. The grave was dug up by some miscreants for unknown reasons. The rather colorful history of Mr. Godwin makes Feluda curious to know more about the man.From the diary of Thomas' daughter Charlotte, Feluda finds that a very precious clock went to Thomas' grave with him. To his surprise, Feluda finds that another party knows about this clock and they are trying to get it aided by the letter with them. Thanks to the brilliance of the detective and the help of 'Haripodobabu', the chauffeur of Mr. Ganguli, a new introduction in this book, their plot is foiled.