Nagina (1951)

Twelve years ago, Shreenath's father was accused of murdering a woman and disappeared into the night. He hasn't been seen since, and is now believed to be dead himself. Hoping to prove his father's innocence and discover his ultimate fate, Shreenath returns to the scene of the crime. He discovers that a crumbling mansion and its labyrinth of underground tunnels are the hunting grounds in a search for a ring containing the priceless Nagina stone. He also meets Mukta, a beautiful and enigmatic young woman. Can she help him unlock the mystery amongst the ghostly ruins?