Dvapara Yuga. Arjun, the third eldest of the Pandavas and the son of Kunti, is given the knowledge of a very powerful and destructive Astra by his father, Lord Indra. Lord Krishna, Arjun's cousin and friend, is apprehensive about Arjun using this astra. He insists that Arjun cannot control its power. He warns Arjun about its use.
Present Day.
Myra, a young Indian Mythology Researcher, stumbles across a mysterious astra while reading the Mahabharata. This astra is one that she has never heard of, and Myra soon discovers that she might be the only one who can read about this mysterious weapon. She tries to tell her mentor, Gnyaniji, about this discovery, but he is a bit doubtful about her claims.
The Forgotten Astra intertwines these events, following Myra as she overcomes numerous challenges in her quest to uncover the secrets of this mysterious weapon.