Naaginn - Waadon Ki Agnipariksha is a show about an ichadhaari naagin, a snake which can transform into human form at will. The Rathod family has killed her parents for the precious and elusive naagmani (precious diamond in a snakes hood). The naagin now wants revenge. The naagin (Sayantani Ghosh) transforms herself into a woman and marries into the family that killed her parents. But now she faces a new dilemma - she is torn between the revenge she has promised her parents and her duty as a wife.