Amavas Ki Raat (1990)
Shammi attains tantrikhood then sets off to save her sister who has married an abusive man and is carrying his child. But she is too late and her sister is dead. Shammi uses her powers to transfer the unborn child to her own body hoping that the boy will grow up to avenge his real mother’s death. Instead he grows up to become a brutal serial killer who goes on a rampage every night.
