Amit, Om, Javed and Bhupen - a group of four friends - have come a long way in life. Bhupen had a lifelong dream of going to Mount Everest with his three friends but the idea is quashed immediately as soon as he expresses it to them during a get-together. However, Bhupen's sudden death leads the trio to leave their cozy Delhi lives and trek to Everest Base Camp as friendship was their only motivation.
A down and out cop lands the case of a lifetime when four suspects are nabbed in the assassination attempt of a prime time journalist. The case turns out to be a devious maze where nothing is what it looks like. The pursuit of it leads him to the dark netherworld - the 'Paatal Lok', and to shocking discoveries in the past of the four suspects.
A nationwide lockdown is imposed in India during the coronavirus pandemic. While all Nepalese migrant labourers are boarding vans to leave for their country, Hansi sees an opportunity to earn more money for his ailing son in the emerging labour crisis when his brother-in-law, Dil Bahadur, offers him illegal work in a godown.
