The Secret of Nagas is a story about an imaginary land of Meluha and narrates how the inhabitants of the land are saved by a nomad named Shiva. It is a sequel to The Immortals of Meluha, where Shiva falls in love with Sati, a beautiful princess of Meluha and marries her. With the invasion by the Naga, the allies of the Chandravanshis (the hostile forces around the Suryavanshis of Meluha) Shiva tries to save Sati from them. Shiva learns the reason behind the alliance of Branga and Nagas and travels to the land of Branga, where he looks for clues and information on the Nagas.
