Adbhut is a supernatural horror where a young couple move into a new house that is far away from the reach of the city. Though the girl doesn't believe in ghosts or spirits, she starts encountering something paranormal, and begins to believe that the house is possessed. To put an end to all these secrets, they go for the help of a detective (Nawazuddin Siddiqui) who tries to get the bottom of a mystery surrounding supernatural happenings and unveil some dark secrets that leave them shocked.