Based on the Pokhran nuclear test Operation Smiling Buddha, Indian scientists buckle up for an audacious attempt to test the country's first nuclear bomb as war looms. Dreams and moral ambiguities clash as India's satellite programme expands amidst a change of guard at the highest level. Actors Jim Sarbh, Ishwak Singh, Regina Cassandra and Saba Azad reprise their roles in Rocket Boys Season 2 as Dr Homi J Bhabha, Dr Vikram Sarabhai, Mrinalini Sarabhai and Parvana 'Pipsy' Irani respectively.