The caller. Everyone knows about them, most people even know someone who has been taken by them, yet no one knows who they are. Kavyah is one of those people. Her sister was brutally taken from her by the caller, but the case was closed due to lack of evidence. On top of this, an old face who brought back bad past resurfaces, threatening to turn her life upside down. But to her surprise, the old face brings her the comfort she had been searching for, however, when unexpected secrets are uncovered, Kavyah needs to make two decisions: Who can she trust - if anybody? and are there any sins too big to forgive?