Olli

The story is about Vishnu a geologist and his wife Sumathi a teacher They have been married for the past seven years but have not been gifted with a child Things change once Vishnu falls while carrying out his work in a cave He then sees a bright ray of light Since that day he experiences strange incidents around him and his wife An old man who appears to know what is happening passes Sumathi a book telling her to read it and to be careful It looks like Vishnu and Sumathi are targeted by beings from outer space