Diya Foils Assassination Attempt on Ratan Singh

The story begins with Kesar Mehal. Maan Singh and Padma died in an accident years ago. Their son, Ratan Singh, whose life is under threat, is protected by Diya. Even after a decade, Diya has not forgotten her vow given to Maan Singh. As Diya foils one more assassination attempt on Ratan Singh, will she finally unmask the faceless men?