Mystery writer Cornelia Van Gorder has rented a country house called “The Oaks”, which not long ago was the scene of some murders committed by a strange and violent criminal known as “The Bat”. Meanwhile, the house’s owner, bank president John Fleming, has recently embezzled one million dollars in securities and has hidden the proceeds in the house, but is killed before he can retrieve it.
Alternative titles: El murciélago | Mörder mit der Kralle | A Mansão do Morcego | Nas Garras do Morcego | Le masque | Das Biest – The Bat | Die Fledermaus | Vampyren | Yön pahat silmät | La chauve-souris | Le Masque | O dolofonos nyhterida | Il mostro che uccide | Garras del murciélago | Det hemmelighetsfulle hus | O Homem Morcego | Liliacul | Fladdermusen | Летучая мышь | Ölüm Saçan Yarasa | Das Biest