Cinderella (2021)

Akira, a sound designer, is arrested as a suspect, but she claims she is innocent. She has come to a hill station to record the sounds of a few rare birds for a Hollywood project. She finds a Cinderella costume in an antique shop and brings it home and has paranormal experiences. Meanwhile, Ramya, a rich girl, is killed and her mother becomes the next target of a ghost. Who is the ghost and why is it on a killing spree?